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Maths Quotes

Can you do Division? Divide a loaf by a knife - what's the answer to that?

Lewis Carroll, Through the Looking Glass

if i can only square root my time, i will do it just be with you.

eds

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M4Math helped me a lot.

Vipul Chavan 4 years ago

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.

yash mittal 5 years ago

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(6 years ago) "Question"

What is the number of positive integers less than or equal to 2017 that have at least one pair of adjacent digits that are both even. For example 24,564 are two examples of such numbers while 1276 does not satisfy the required property.

Answer: 738 asked in tcs

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(6 years ago) "Question"

A 70 foot pole stands vertically in a horizontal plane supported by three 490 foot wires, all attached to the top of the pole. Pulled and anchored to three equally spaced points in the plane. How many feet apart are any two of those anchor points?

Answer: 149.61 asked in tcs

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(6 years ago) "Question"

The set A (0) is (1,2,3,4). For n > 0,A(n+1) contains all possible sums that can be obtained by adding two different numbers from what is the number of integers in A(10).

Answer: 67 asked in tcs

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(7 years ago) "Question"

ZVK|WVLKZZ|ACS
PSZW
------------
XPZZ
VXLZ
-------------
XKKZ
XKKZ
------------------

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(8 years ago) "Question"

A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is fathers present age ?

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(8 years ago) "Question"

A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is fathers present age ?

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(8 years ago)

30 years

Let present age of father= x years and son=x-30
After 5 years, x+5= 3(x-30+5) => 2x=80, x=40

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(8 years ago) "Question"

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
3, 10, 101,?
A. 10101
B. 10201
C. 10202
D. 11012

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(8 years ago)

C. 10202
3^2+1=10
10^2+1=101
101^2+1= 10202

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(9 years ago) "Question"

If a worker gets late for his work he has to pay a fine of Rs 200 on the first day and the fine increases by 25 Rs per day. If he pays a total amount of Rs 9450, for how many days did he pay for?

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(9 years ago) "Question"

1)A number in integer base n when written in base n-1 becomes 1030n-1 .The same number when written in base n+1 becomes 444n+1.The original number written in base 10 is
a)436 b)364 c)463 d)634

Reply Like? Yes (2) | No

(9 years ago) "Question"

In order to buy a car a man borrowed Rs 180000 on condition that he had to pay 7.5 percent interest every year.He also agreed to repay principal at equal installments over 21 years.After certain number of years the rate of interest has been reduced to 7 percent .It is also known that at the end of agreed period he will have paid in all Rs 270900 in interest .For how many years does he paid at the reduced interest ?
a) 7 years b) 12 years c) 14 years d) 15 years e) 16 years

Asked SELF

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(9 years ago)

Let for n years he paid interest 7.5%
and for (21-n) years interest paid was 7%
so,
((180000*n*7.5)/100) + ((180000*7*(21-n))/100) = 270900
solving it we get n=7
so for 21-7 = 14 years he paid the reduced interest.

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(9 years ago) "Question"

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(9 years ago) "Question"

13th Sep elitmus data sufficiency question......... In an isosceles triangle one angel is 100 degree. Find the length of AB ? statement 1) AC = m statement 2) BC = n

Reply Like? Yes (1) | No

(9 years ago)

AB can be m or n depending on which angle is 100 out of A and B.

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(9 years ago) "Question"

find the number of zeros in 1^1*2^2*3^3*........25^25?
a) 250
b)225
c)545
d)100

Reply Like? Yes (1) | No

(9 years ago)

127..........from python program.........
x=input("entr a no.")
print x
j=1
k=0
for i in range(1,x+1):
print i
j=j*(i**i)
while(j>1):
c=j%10
if(c==0):
k=k+1
j=j/10
print j
print k

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(9 years ago) "Question"

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

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(9 years ago) "Question"

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

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(9 years ago)

Speed = 54 x 5 m/sec = 15 m/sec.
18
Length of the train = (15 x 20)m = 300 m.

Let the length of the platform be x metres.

Then, x + 300 = 15
36
x + 300 = 540

x = 240 m.

Like? Yes (1) | No

(9 years ago) "Question"

A company rented a machine for Rs.700/- a month. Five years later the treasurer calculated that if the company had purchased the machine and paid Rs.100/- monthly maintenance charge, the company would have saved
Rs.2000/-. What was the purchase price of the machine?

Reply Like? Yes (4) | No (4)

(9 years ago)

Let the price of the machine = x rupee
5 year maintenance charge = 100*60 = 6000
so total investment = x+6000
now total rental charges for five year = 700*60 = 42000
so according to given condition 42000-x-6000 = 2000 so x = 34000

Like? Yes (7) | No (4)

(9 years ago)

I think you missed the rate of interest ? please mention rate of interest.

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(9 years ago)

700*12*5=42000
100*12*5=6000
42000+6000=48000
48000-2000=46000

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(9 years ago)

42000-6000-2000=34000

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(9 years ago)

Rs:34000
700×12months×5years==42000
Maintainance 12×5×100==6000
42000-6000=3600-2000saved=34000

Like? Yes (1) | No (1)

(9 years ago) "Question"

A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

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(9 years ago) "Question"

are you an introvert or extrovert?

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(9 years ago) "Question"

_____ can be used t o move t he cursor t o lef t in vi editor
1.i 2.j 3.k 4.h

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(10 years ago) "Question"

hii friends can any one tell me about infosys
seoffcampus written xam can u please help me what are the topics i need to cover in quant is rs agarwal verbal is sufficient for verbal part....... prasanna.sri58@gmail.com soo please help me

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(10 years ago)

what is ur drive date??? n place

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(10 years ago) "Question"

100 , 9801 , 941192
next number in the sequence?

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(10 years ago)

> (sequence-natural 1 100)
(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100)
> (sequence-squares 1 100)
((1 1) (2 4) (3 9) (4 16) (5 25) (6 36) (7 49) (8 64) (9 81)
(10 100) (11 121) (12 144) (13 169) (14 196) (15 225)
(16 256) (17 289) (18 324) (19 361) (20 400) (21 441)
(22 484) (23 529) (24 576) (25 625) (26 676) (27 729)
(28 784) (29 841) (30 900) (31 961) (32 1024) (33 1089)
(34 1156) (35 1225) (36 1296) (37 1369) (38 1444) (39 1521)
(40 1600) (41 1681) (42 1764) (43 1849) (44 1936) (45 2025)
(46 2116) (47 2209) (48 2304) (49 2401) (50 2500) (51 2601)
(52 2704) (53 2809) (54 2916) (55 3025) (56 3136) (57 3249)
(58 3364) (59 3481) (60 3600) (61 3721) (62 3844) (63 3969)
(64 4096) (65 4225) (66 4356) (67 4489) (68 4624) (69 4761)
(70 4900) (71 5041) (72 5184) (73 5329) (74 5476) (75 5625)
(76 5776) (77 5929) (78 6084) (79 6241) (80 6400) (81 6561)
(82 6724) (83 6889) (84 7056) (85 7225) (86 7396) (87 7569)
(88 7744) (89 7921) (90 8100) (91 8281) (92 8464) (93 8649)
(94 8836) (95 9025) (96 9216) (97 9409) (98 9604) (99 9801)
(100 10000))
> (sequence-cubes 1 100)
((1 1) (2 8) (3 27) (4 64) (5 125) (6 216) (7 343) (8 512)
(9 729) (10 1000) (11 1331) (12 1728) (13 2197) (14 2744)
(15 3375) (16 4096) (17 4913) (18 5832) (19 6859) (20 8000)
(21 9261) (22 10648) (23 12167) (24 13824) (25 15625)
(26 17576) (27 19683) (28 21952) (29 24389) (30 27000)
(31 29791) (32 32768) (33 35937) (34 39304) (35 42875)
(36 46656) (37 50653) (38 54872) (39 59319) (40 64000)
(41 68921) (42 74088) (43 79507) (44 85184) (45 91125)
(46 97336) (47 103823) (48 110592) (49 117649) (50 125000)
(51 132651) (52 140608) (53 148877) (54 157464) (55 166375)
(56 175616) (57 185193) (58 195112) (59 205379) (60 216000)
(61 226981) (62 238328) (63 250047) (64 262144) (65 274625)
(66 287496) (67 300763) (68 314432) (69 328509) (70 343000)
(71 357911) (72 373248) (73 389017) (74 405224) (75 421875)
(76 438976) (77 456533) (78 474552) (79 493039) (80 512000)
(81 531441) (82 551368) (83 571787) (84 592704) (85 614125)
(86 636056) (87 658503) (88 681472) (89 704969) (90 729000)
(91 753571) (92 778688) (93 804357) (94 830584) (95 857375)
(96 884736) (97 912673) (98 941192) (99 970299)
(100 1000000))

(sequence- to the power 4 1 to 100)
97*97*97*97= 88529281 (Ans)

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(10 years ago)

88529281
It follows the following sequence
100
99^2
98^3
97^4

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(10 years ago) "Question"

100, 9801 , 941192 ,
next in the sequence is

Reply Like? Yes (2) | No

(10 years ago)

88529281
It follows the following sequence
100
99^2
98^3
97^4

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(10 years ago) "Question"

The packaging unit of a factory has two panels.Each of the panel contains 4 rows if items stored.Each row has 4 kinds of items that are to be packed. How many items are stored for packing the packaging unit??

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(10 years ago) "Question"

(17 Seconds ago) "Other"
esj
*gsw
------------
deds
spsw
ssmd
------------------
sqgdqs
asked in elitmus on 7 dec

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(10 years ago) "Question"

Abhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow colored balls, one after the other, replacing the ball everytime till one of them gets a red ball. The first one to get a red ball is declared the winner. Of Abhishek begins the game and the odds in favor of his winning the game are 3 and 2, then find the ration M,N.
A. 1:1
B. 1:2
C. 2:3
D. 3:2

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(10 years ago) "Question"

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(10 years ago) "Question"

eLITMUS cRYPTARITH:

PAW
CSE
---------
CPPP
WGMB
SAML
------------
SLLCEP

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(10 years ago) "Question"

In cryptarithms how to convert Alphametics to numeric value
S E N D + M O R E=M O N E Y

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(10 years ago)

U have to guess the value of alphabets keeping in mind each alphabet corresponds to only one digit and addition of two digits for example D+E will generate maximum of carry 1 because max value of D and E ca be 9+8 =17 which generates carry 1. So from SEND + MORE= Money , u can be sure that M=1, similarly by u can find others but with the help of trial and error method.

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(10 years ago) "Question"

In English , What comes After 'E' ????? Hurry it Takes minimum 5 seconds...

Reply Like? Yes (1) | No

(10 years ago) "Question"

If a lies between 2 and 3, both included, and b lies between 4 and 6, both included, then what is the ratio of minimum and maximum limits of a2-b2?

Reply Like? Yes (1) | No

(10 years ago) "Question"

Please can any one send me elitmus papers @@@ irfanlbrce@gmail.com

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(10 years ago) "Question"

what is the sum of digit of the least multiple of 13 which when divided by 6,8 and 12 leave 5,7and 11 as the remainder.

Reply Like? Yes (1) | No

(10 years ago)

Number is 143
sum of digits= 1+4+3=8

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(10 years ago) "Question"

hiiii guys, can anybody send me the L nd T placement paper .mail id- nehaniharika947@gmail.com

Reply Like? Yes (2) | No (1)

(10 years ago)

send ur mob no....

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(10 years ago)

u says only to guys not girls.WHY ??

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(10 years ago) "Question"

Hi friends
Please send me a Sbi clerical solved paper
My emails id vyasmegha77@gmail.com

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(10 years ago) "Question"

An article sold at a profit of 20% if both the cost price and selling price would be Rs.20/- the profit would be 10% more. What is the cost price of that article?

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(10 years ago)

how it will be possible to have a profit if the c.p and s.p are same??

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(10 years ago) "Question"

How many six digit numbers can be formed using digits 1 to 6, without repetition such that the number is divisible by digit at its unit place.

Reply Like? Yes (3) | No

(10 years ago)

The number to be divisible by 1 i.e total no. would be !6.
For number to be divisible by 2 unit digit will be 2/4/6.So choose any 1 out of 3 i.e. 3c1 and the total no.
would be !5*3c1.
For numbers to be divisible by 3 ,sum of digits should be divisible by 3.As you can see sum of digits would be 21
which is divisible by 3.Hence total numbers would be !6.
For number to be divisible by 4 last two digits sum should be divisible by 4 i.e.
1+3=4
2+6=8
3+1=4
3+5=8
5+3=8
6+2=8
Total 6 possibilities i.e 6p2
and the total numbers would be !4*6p2.
For numbers to be divisible by 5 unit place should be 5.So
total numbers would be !5*1
For numbers to be divisible by 6 ,it has to be divisible by 2 and 3.So the total numbers would be
same as the total no. divisible by 2 and the sum of all digits is already 21 i.e !5*3c1.
Now after solving all the permutations and combinations add the results,you will get the required result.
I hope you will get it.

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(10 years ago)

Acco. to me ans is ..27*4!

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(10 years ago) "Question"

i desperately need S & P Capital IQ sample question papers(or any posted quest. paper for Technology Quality Analyst)
plzzz send it to : rahulrack14@gmail.com

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(10 years ago) "Question"

Urgently need to prepare for GRSE written exam.

Please mail me @sameernanda117@gmail.com in anything by you guys can help me.

Advance Thank You

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(10 years ago) "Question"

Ten families, each comprising 4 members attend a church for Christmas celebration. If each person exchanges a greeting card with every other person of a different family exactly once, then find a number of greeting cards exchanged.

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(10 years ago)

2xC(40,2)=2x780=1560 no. of greeting card exchanged

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(10 years ago) "Question"

send me qn for e litmus..............................
rahul.96083@gmail.com

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(10 years ago) "Question"

If 50 × 51 × 52 × 53 ×…× 200 is completely divisible by 9a, then find the maximum possible value of ‘a’.

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(10 years ago) "Question"

Given a0 = 1, an = 2an-1(when n is odd) and an = an-1(when n is even), then what is the value of a100-a97-a96?

Reply Like? Yes (1) | No (1)

(10 years ago) "Question"

Points A,B,C are at the distances of 120,104.66,112 km from point M simultaneously : the first person started from point A, the second man from B and the third from C. the first person covered the whole way at a constant speed and arrived at M an hour before the second and the third persons (who arrived simultaneously). The third person covered the whole distance at a constant speed. The second person having travelled 72 km at the same speed as the first, stopped for 2 hours. The rest of the way he travelled at a speed that is less than the speed of the third person by the same amount as the speed of the third is less than that of the first. Determine the speed of the first person.
A- 6km/h
B- 5km/h
C- 4km/h
D- 3km/h

Reply Like? Yes (14) | No (2)

(10 years ago)

pls ost the solution

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(10 years ago) "Question"

Two cars left points A and B Simultaneously , travelling towards each other. 9 hours after their meeting, the car travelling from A arrived at B , and 16 hours after their meeting, the car travelling from B arrived at A. How many hours did it take the slower car to cover the whole distance?
A- 36 hours
B- 21 hours
C- 25 hours
D- 28 hours

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(10 years ago)

28 hours. 28 hours 28 hours

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(10 years ago)

Plz post the solution also as I am not able to solve.

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(10 years ago)

One of the basic physice equation is d = rt, where d=distance, r=rate, and t=time.

d1=distance car from A travelled
d2=distance car from B travelled
rA=rate of car A
rB=rate of car B
t=time until they meet

To start out, they both get to some point at the same time.
The equations for this are d1 = t•rA and d2 = t•rB.

After meeting, car B took 16 more hours, so d1 = 16•rB.
After meeting, car A took 9 more hours, so d2 = 9•rA.

Take all four of these equation and put in d1/d2 = d1/d2 as follows: 16•rB/(9•rA) = t•rA/(t•rB).

Notet the first thing to do is cancel the t's, giving: 16•rB/(9•rA) = rA/rB.

Now cross multiply, giving: 16•rB² = 9•rA².

Take the squareroots of both sides, giving: 4•rB = 3•rA.

This says that car A is going 4/3 as fast as car B.

This means that it will take car (3/4)16 = 12 hours to start his leg and
car B (4/3)9 = 12 hours to start his leg. Since they are the same, that
puts them both at that meeting point at the same time.

From this, since it can be seen that B is slower, it will take car B 9 + 16 = 25 hours total.

Like? Yes | No (1)

(10 years ago) "Question"

On the banks of the river Ganga there are two bathing points in Varanasi and Patna. A diya left in the river at Varanasi, reaches Patna in 24 hours. However, a motorboat covers the whole way to and fro exactly in 10 hours. If the speed of the motorboat in still water is increased by 40 % , then it takes the motorboat 7 hours to cover the same way ( from Varanasi to Patna and back again). Find the time necessary for the motorboat to sail from Varanasi to Patna when the speed in still water is not increased.
(A) 3 hours
(B) 6 hours
(C) 12 hours
(D) 4 hours

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(10 years ago)

3 hours3 hours3 hours3 hours3 hours3 hours3 hours3 hours

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(10 years ago)

Plz post the solution also as I am not able to solve. and answer is 4 hours

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(10 years ago) "Question"

Three variables x, y, z have a sum of 30. All three of them are none negative integers. If any two variable don’t have the same value and exactly one variable has a value less than or equal to three, then find the number of possible solutions for the variables.
Plz solve and explain.

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(10 years ago)

point to be note.. any of three variable has

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(10 years ago) "Question"

I have a doubt in solving compound interest question! The question is : A man borrows ₹12,500 at 20% compound interest. At the end of every year he pays ₹2000 as part repayment. How much does he still owe after three such instalments?

Pls.share the solution with method!

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to (10 years ago) "Question"

hi Rakesh can u tell me how to score good in d englsh section of elitmus??

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(10 years ago)

follow GRE book by Barron..it will be very helpful.

Like? Yes (1) | No

(10 years ago) "Question"

‪#‎include‬
int print(int n)
{
if(n==0)
return 0;
print(n-1);
printf("%dn",n);
}
int main()
{
int n=0,x=3;
n=print(x);
printf("%dn",n);
return 0;
}
explain the o/p?

Reply Like? Yes (4) | No

(10 years ago)

O/P : 0
As soon as the statement,
n=print(x);
calls the print() function, the formal parameter n gets a copy of the value of variable x (i.e., n = 3)
Inside the function, bcoz of the statement,
print(n-1);
there is a recursive call to the same function,which in turn NEVER allows the next immediate statement,
printf("%dn",n); //statement inside the function
to get executed. The n value gets decremented every time and when n becomes 0 , 0 is returned back to the calling function.
Therefore in main() , n = 0 is assigned.
Now if we print n, 0 is printed.

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(10 years ago)

error you define n=0 in the main program and same variable used for the argument

Like? Yes (1) | No

(10 years ago) "Question"

A thing which is weightless but u can see it and if u put it in a bucket, bucket gets lighter! What is it??

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