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Maths Quotes

MaThEmAtIcS--->oh!! Thou heartless bitch!!, understanding a women is lot easier than math..!!

Chandrasekar krishnaswamy

maths is very interesting subject if u like it math also like u if u dont like maths dont like u

Aman Tiwari

Placed User Comments

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

Public Wall |

(10 years ago) "Other"

@.if there is 150 babies born every minute , how many babies share the same birth date world wide
1.224000
2.216000
3.225000
4.218000

Reply Like? Yes (35) | No (5)

(10 years ago)

216000
In order to have same birth date, all the babies must born on the same day(i.e. in 24 hours)
No. of babies born on same day=(Babies born in every minutes)*(No. of minutes in 24 Hours)
=(150)*(24*60)
=216000

Like? Yes (5) | No (2)

(10 years ago)

216000(150*60*24)

Like? Yes | No (1)

(10 years ago) "Other"

Q. Successful people inspire many other to follow_______ Path
1.ones
2.their
3.his
4.the

Reply Like? Yes (106) | No (14)

(10 years ago)

Successful people inspire many other to follow Their path

Like? Yes | No

(10 years ago)

Ones, becoz the other is already given

Like? Yes (8) | No

(10 years ago) "Other"

Q."we need to call this _______," monika demanded
1.off
2.out
3.away
4.at

Reply Like? Yes (573) | No (73)

(10 years ago)

Out becozbe oz specify one out of others

Like? Yes (10) | No (4)

(10 years ago)

1.off call this off

Like? Yes (6) | No (4)

(9 years ago)

guys ur just discussing but finnally not concluding which option is correct plz......conclude the final answer hope u will do it........thanq

Like? Yes | No (1)

(9 years ago)

at must be the right answer

Like? Yes (1) | No (1)

(8 years ago)

call off is the correct answer. call out is a request phrase so i cant.

Like? Yes | No

(10 years ago) "Other"

Q.the institute reserves the right to make any change in the items _________in the itinerary
1.contain
2.contains
3.contained
4.includes

Reply Like? Yes | No

(10 years ago) "Other"

hi, can anyone plz tell me about any link from where I can learn about how to calculate complexity in data structure?

Reply Like? Yes | No

(10 years ago) "Other"

hi,anybody pls send amcat exam pattern and previous papers in my mail id, anuradha430@gmail.com ds s my mail id

Reply Like? Yes | No

(10 years ago)

Anuradha do one thing :

Better you should prepare form m4maths.com as well as :http://www.fresherline.com/2014/08/boost-your-amcat-preparation-with-right.html if you have slove all these question form these material than surely you will score good marks . i too got 90 percentile in all section .even some question are repeated

Like? Yes (5) | No

(10 years ago) "Other"

Is the question of m4 comes inelitimus exam and if anyone have the study material for preparation for elitimus plzzzzz send on my id sharmaakanksha37@gmail.com
and plz if anyone have pdf of arun sharma quantitative appti plz send and thanx in advance.plzzzzzzzzzzz

Reply Like? Yes | No

(10 years ago) "Other"

Any one who have cocubes model papers.mail me at n.gopiramesh@gmail.com

Reply Like? Yes | No

(10 years ago) "Other"

a man is sitting in 180 m long train and count 21 poles in 40 secs which are 50m apart. fond the speed of train.

car games 101

Reply Like? Yes | No

(10 years ago)

distance b/w 21 poles=(21-1)*50=1000m
time=40 sec
speed=1000/40=25 m/s
ans=25 m/s

Like? Yes (1) | No

(10 years ago) "Other"

A trader buys a car for 1,25,000.he spends 25,000 on the accessories.The rate of depreciation of the car is 20% every year.After two years he sells it for 1,02,000.What is his profit or loss percentage?

Reply Like? Yes (1) | No

(10 years ago) "Other"

hey is there any walkins or referral drives........ pls tell me...... my mail id : anjali.jagata@gmail.com

Reply Like? Yes (1) | No

(9 years ago)

where is your drive and wad all topis you are going to prepare

Like? Yes (1) | No (1)

(10 years ago) "Other"

A wallet contains 200 notes made up of Rs.100, Rs.50 and Rs.20 notes and their values are in the ratio 1:2:3 then find the values and notes of each type?

Reply Like? Yes (18) | No (8)

(10 years ago)

if values ratio of Rs.100, Rs.50 and Rs.20 notes are 1:2:3 then minimum notes require to fulfill this condition is : rs100:rs200:rs 300 = 1 note of rs.100 : 4 notes of rs.50 :15 notes of rs.20 = total 20 notes and RS.600 .

But here We have 200 notes , so (1* Rs.100 + 4 * Rs.50 + 15 * Rs.20 )*200/20 =RS.6000(Total Amount) and total RS.100 notes= 10 , Total RS.50 notes=40 ,Total RS.20 notes = 150 .

Like? Yes (10) | No (9)

(10 years ago)

100 rs notes- 33 =rs.3300
50 rs notes-66=rs.3300
20 rs notes-99=rs.1980

Like? Yes (8) | No (10)

(10 years ago)

value : 100rs 50rs 20rs
ratio of no.: 1 : 2/1/2 : 3/1/5
1 : 4 : 15
so, 100 rs= 1/20 *200 = 10 notes
50 rs = 4/20*200 = 40 notes
20 rs= 15/20*200= 150 notes

Like? Yes (10) | No (1)

(9 years ago)

10 notes of Rs 100 makes Rs 1000.
40 notes of Rs 50 makes Rs 2000.
150 notes of Rs 20 makes Rs 3000.

Therefore total notes=== 10+40+150=200
Total value of notes====1000+2000+3000=6000

Like? Yes (3) | No (1)

(9 years ago)

suppose no.of 100 rs notes=x,50rs->y , 20rs.->z
total rs made up from 100rs=100x,simillarly for 50 and 20 i.e. 50y,20z
now compare the ratios 100x/50y=1/2 ==>y=4x
similarly 15y=4z , 15x=z

now x+y+z=200
replace the values of y,z
x+4x+15x=200
x=10
y=40
z=150

no. of 100rs notes=10
no.of 50rs notes=40
no. of 20rs. notes=150

Like? Yes (2) | No (3)

(9 years ago)

100 rs=10 notes, 50 rs=40 notes, 20rs=150 notes.

Like? Yes (1) | No (1)

(10 years ago) "Other"

Twenty five sets of problems on data interpretation each for the DI section of 25 CATALYST test were prepared by the AMS research team. The DI section of each CATALYST contained 50 questions of which exactly 35 questions were unique, i.e. they had not been used in the DI section of any of the other 24 CTALYSTs. What could be the maximum possible number of questions prepared of the DI sections of all the 25 CATALYSTs put together???
a)1055
b)975
c)1070
d)1100

Reply Like? Yes (14) | No (1)

(10 years ago)

To maximize number of unique question you have to simultaneously decrease the duplication of the question.
Hit and trial method.

1st 12 catalyst has 50 unique question= 12*50=600

but we can have only at the max 35 unique question per catalyst hence, next 12 catalyst have 35 unique question and 15 duplicated question from 1st 12 catalyst= 35*12=420

As we can only have 35 unique question hence, the last catalyst will have the 35 unique question

ANS : 600+420+35=1055

Like? Yes | No (16)

(7 years ago)

total no. of the unique number of questions-35*25=875so
so we need to make max no. of unique questions from the rest 15 Q of each set
so 12 sets of 15 questions repeated once= 15*12=180, we are left with 15 questions in the last 25th Test these cant be unique as already 35 are unique in the paper so, they are repeated questions second time.

Hence total max unique questions-875+180=1055.

Like? Yes (8) | No (3)

(10 years ago) "Other"

can any one tell me about the final round of intelligrap? which type of question they asked in final round of interview? and which type of languages? plz rply anyone....

Reply Like? Yes (8) | No

(9 years ago)

yo, im the boss, will clear ibm exam in a jiffy tomorrow and ace it, for you ruby

Like? Yes (4) | No

(10 years ago) "Other"

can anyone send me capgemeni latest 2014 placement paper at mac071092@gmail.com please ?

Reply Like? Yes | No

(10 years ago) "Other"

can anyone send me amdocs latest 2014 placement paper at mac071092@gmail.com please ?

Reply Like? Yes | No

(10 years ago) "Other"

can anyone send me amdocs latest 2014 placement paper at mac071092@gmail.com please ?

Reply Like? Yes | No

(10 years ago) "Other"

in 100! how many powers of 20 are present?

Reply Like? Yes | No

(10 years ago)

there are 5 powers of 20 in 100

Like? Yes | No

(10 years ago) "Other"

Seven people P,Q,R,S,T,U AND V have a month-long sales competition where everyone finishes and there are no ties.
Q finishes ahead of R.
T finishes just behind S.
U is first and P is last.
Referring the above information,which one of the following additional conditions makes it certain that V finishes sixth in sales?
1.T finishes third.
2.S finishes second and T finishes third.
3.Q finishes second.
4.R finishes fifth.
5.S finishes second.

Reply Like? Yes (6) | No

(10 years ago)

Condition not sufficient.

Like? Yes | No

(10 years ago) "Other"

Void main( )
{
char ch = 321;
printf("%d%c",ch,ch);
}
what will be the output and how?

Reply Like? Yes | No

(10 years ago)

i hate pro..............

Like? Yes | No

(10 years ago)

Number 321 is beyond the range of char variable ch.

Equivalent to 321 = 321 % 128 = 65

65 is ASCII value of character ‘A’

Like? Yes (2) | No

(10 years ago) "Other"

WHEN A SHOPKEEPER SELLS AN ITEM AT 25 % DISCOUNT TO LIST PRICE , HE MAKES A PROFIT OF 25 % . IF HE HAD SOLD IT AT LIST PRICE ,HIS PROFIT WOULD HAVE BEEN? WITH EXPLANATION

Reply Like? Yes | No (1)

(10 years ago)

66.66%
If CP=x, SP or list price=y
Given, 0.75y=1.25x, So when sold at its list price=y, Profit=1.25x * y/0.75y=5x/3=1.6666x
So profit=66.66%

Like? Yes (5) | No

(10 years ago) "Other"

A GRAIN MERCHANT PURCHASES 2 VARIETIES OF RICE. THE PRICE OF THE FIRST KIND BEING TWICE THAT OF THE SECOND. HE SELLS THE MIXTURE FOR RS. 28 PER KG MAKING A PROFIT OF 25 % .IF THE RATIO OF THE FIRST TO SECOND IS 2:3 IN THE MIXTURE , THEN VARIETY COSTED IS? WITH EXPLANATION.

Reply Like? Yes (10) | No (2)

(10 years ago)

32 & 16 Rs/Kg.
If two quantities are 2x & 3x and Prices be 2y & y respectively, then
Cost Price= (2x*2y) + (3x*y)= 7xy
Selling Price@ 28/Kg =28*5x= 140x
Given, Selling Price= 125% of Cost price or 140x= (125/100)*(7xy), y=16
So the cost of varities are 2y & y =32 & 16 Rs. respectively

Like? Yes (5) | No (3)

(10 years ago) "Other"

A MERCHANT PROFESS TO LOSE 4 % ON A CERTAIN TEA , BUT HE USES A WEIGHT EQUAL A 840 KG INSTEAD OF 1 KG . FIND HIS REAL LOSS OR GAIN PERCENT ? WITH EXPLANATION

Reply Like? Yes (8) | No (2)

(10 years ago)

lET COST PRICE OF 1 KG BE P.
CP = 0.84P
SP= 0.96P
GAIN= 0.12P
GAIN%= 0.12P*100/0.84P=14.2%

Like? Yes (14) | No (1)

(10 years ago) "Other"

BY SELLING 12 KG OF ONIONS FOR RS.63 , I GAIN 5 %. WHAT DO I GAIN OR LOSE PERCENT BY SELLING 50 KG OF THE SAME ONIONS FOR RS. 247.50P ? WITH EXPLANATION

Reply Like? Yes | No

(10 years ago)

1% loss
SP of 1 Kg. =63/12, As 5% gain is made, so Actual cost or CP of 1 Kg=(63/12)*(100/105)=5
Per Kg. price when 50 Kg. is sold for Rs. 247.5= 247.5/50= 4.95
So % loss= (5- 4.95)*100/5 =1

Like? Yes (1) | No

(10 years ago) "Other"

BY SELLING 66 METERS OF CLOTH , I GAIN THE COST OF 22 METERS . FIND MY GAIN PERCENT ? WITH EXPLANATION

Reply Like? Yes (38) | No (12)

(10 years ago)

GAIN = 22/66= 33.3 %

Like? Yes (28) | No (23)

(9 years ago)

let selling price of 66 meters cloth is x.
so,1 meter cloth price is x/66.
then,22 meter cloth price are (x/66)*22=x/3.
and let cost price of 66 meters cloth is y.
gain =sp-cp=x-y.
x/3=x-y
so,y=x-x/3=2x/3.
now,gain%=(100*gain)/cp=(100*x/3)/2x/3
so,gain %=(100x/3)*3/2x=50% is answer.

Like? Yes (41) | No (34)

(7 years ago)

66sp-66cp=22cp
66sp=88cp
sp/cp=88/66

gain%=22/66*100
gain % = 33.33%

Like? Yes (30) | No (13)

(10 years ago) "Other"

A MERCHANT PURCHASED 300 QUINTALS OF GRAM . HE SOLD 200 QUINTALS AT RS. 126 PER QUINTAL AND THEREBY GAINDE 5 PERCENT ON IT. AT WHAT RATE SHOULD HE SELL THE REMAINDER SO THAT THEY MAY GAIN 10 PERCNT ON THE WHOLE ? WITH EXPLANATION

Reply Like? Yes (9) | No (2)

(10 years ago)

Let CP= c
126*200=1.05c, gives c= 24000.
Again, let SP for 100 quintels be s.
126*200+100s=1.1*24000
s= 12.

Like? Yes (2) | No (11)

(10 years ago) "Other"

A GROCER BOUGHT 48 KG OF WHEAT FOR RS. 80, AND WAS OBLIGED TO SELL IT AT A LOSS OF AS MUCH MONEY AS HE RECEIVED FOR 2 KG . FIND THE SALE PRICE PER KG .? WITH EXPLANATION

Reply Like? Yes (3) | No

(10 years ago) "Other"

Q.The market was full of people__________ attractive clothes of different styles.
1.Having
2.Showing
3.Wearing
4.Watching

Reply Like? Yes (130) | No (16)

(10 years ago)

people refer to the total crowd of the market so ......... wearing

Like? Yes (3) | No

(10 years ago)

the ans is "watching "

Like? Yes | No (1)

(10 years ago)

The market was full of people wearing attractive clothes of different styles.

Like? Yes (3) | No

(10 years ago)

ans 3- "wearing"

Like? Yes | No

(10 years ago)

Wearing is the answer.

Like? Yes (1) | No

(10 years ago)

ans is wearing.

Like? Yes (1) | No

(10 years ago)

wearing is suitable.

Like? Yes | No

(10 years ago)

3,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Like? Yes | No

(10 years ago) "Other"

Que: Choose the correct answer
There is an array of size n initialized with 0. Akanksha has to write a code which inserts the value 3k at position 3k in

the array, where k=0,1…(till possible). Akanksha writes an efficient code to do so. What is the time complexity of her

code?

Option 1 : ?(n^2)
Option 2 : ?(n)
Option 3 : ?(log3(n))
Option 4 : ?(3n)

Reply Like? Yes | No

(10 years ago) "Other"

hi friends
i got
Verbal -3.80 7.87
Problem Solving 7.50 46.16
Quantitative 3.80 43.53
What are my chances to get call from accenture or should i take test again?
plzzz help...

Reply Like? Yes | No

to (10 years ago) "Other"

Hi did u attempt Amcat

Reply Like? Yes (1) | No

(10 years ago) "Other"

hi frnds
i got
apptitude = 73
reasoning = 89
verbal = 53
what ia my chances in getting calls?

Reply Like? Yes | No

(10 years ago) "Other"

can anyone plz mail me the infosys online test syllabus??

Reply Like? Yes | No

(10 years ago) "Other"

Guys I got interview call from accenture for banglore on 30th nov. but i stay in Gurgaon and I also have an interview for ericsson in NCR on same date.Which one should i choose?

Reply Like? Yes | No

(10 years ago)

Go for Accenture

Like? Yes | No

(10 years ago) "Other"

Q.micro sigma pvt ltd produces 1200 phones everyday.if out of these 7/3 % are faulty and 13/3 % are defective in packaging .then how many faculty and non defective phones are produced everyday

Reply Like? Yes | No

(10 years ago)

1149 faculty and non defective phones

Like? Yes | No

(10 years ago)

1148 faulty and non defective phones daily

Like? Yes | No

(10 years ago) "Other"

Q.the institute reserves the right to make any change in the items _______ in the itinerary
1.contains
2.contained
3.contain
4.includes

Reply Like? Yes | No

(10 years ago)

"contained" will be the suitable one

Like? Yes | No

(10 years ago) "Other"

just got my elitmus score

Score Percentile
Quants -3.80 30.03
Prob Solv 50 91.74
Verbal 90 87.43

Will i get any call or shoul id give it one more time........??????
this is my second attemp.

help guys..........???????

Reply Like? Yes | No

(10 years ago)

Should give one more time

Like? Yes | No

(10 years ago)

Plzzzz send at sravaniracha@gmail.com

Like? Yes | No

(10 years ago)

Mr.Iqbal, u r asking how to post the question in elitmus page. In ur pic above 2 tabs are there. i.e., welcome and Ask puzzle tab. Click on Ask Puzzle and set the scroll down to elitmus and ask a question

Like? Yes (2) | No

to (10 years ago) "Other"

Plz send pdf for amcat to me on sharmaakanksha37@gmaio.com

Reply Like? Yes | No

to (10 years ago) "Other"

Plz send pdf for amcat tome on sharmaakanksha37@gmail.com

Reply Like? Yes (1) | No

(10 years ago)

OK.....! I will send the pdf documents.

Like? Yes (2) | No (2)

(10 years ago)

hey, can u plz send me the pdf for amcat @ mailtoomohana@gmail.com

Like? Yes | No

to (10 years ago) "Other"

Q: Who is the Present Chief Information Commissioner ?

Reply Like? Yes | No

(10 years ago)

Who is the Present Chief Information Commissioner ?

vacant

Like? Yes (1) | No

(10 years ago) "Question"

eLITMUS cRYPTARITH:

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

Reply Like? Yes | No

(10 years ago) "Other"

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

Reply Like? Yes | No

(10 years ago) "Other"

Q. SUPPOSE WE UNIFORMLY AND RANDOMLY SELECT A PERMUTATIONS FROM THE 20 ! PERMUTATIONS OF 1,2,3,................,20 . WHAT IS THE PROBABILITY THAT 2 APPEARS AT AN EARLIER POSITION THAT ANY OTHER EVEN NUMBER IN THE SELECTED PERMUTATIONS ?

Reply Like? Yes | No

(10 years ago)

20 ways is the answer

Like? Yes | No

(10 years ago)

EXPLANATION PLEASE

Like? Yes | No

to (10 years ago) "Other"

Q1. Questions with only one option as the correct answer Questions with only one option as the correct answer. In a kilometre race, if A gives B a 40 m start, A wins by 19 s. In a kilometre race, if A gives B a 40 m start, A wins by 19 s start,B wins by 40 m. Find the time taken by B to run 5,000 m?

Reply Like? Yes | No

(10 years ago) "Other"

A spaceship on an inter-galactic tour has to transfer some cargo from a base camp to
a station 100 light sec away through an asteroid belt. The ship can carry a maximum of
100 kgs of cargo and, as a result of colliding against the asteroids, every 2 light sec of
travel causes it to lose 1 kg of cargo. There are 300 kgs of cargo available at the base
camp. Find the maximum amount of cargo (in kg) that the ship can transfer to the
station? Assume that the spaceship can store the cargo at any intermediate point along
the way and that stored cargo is not depleted by the asteroids.
Prerequisites

Reply Like? Yes (8) | No

(10 years ago) "Other"

Q: In a garden 10 rows and 10 columns of a mango tress are there. The distance between the two tress is 2m and a distance of 1m is left from all sides of the boundary of the garden.The length of the garden is? I NEED COMPLETE SOLUTION PLS HEL ME

a) 20 m b) 22m c) 24m d)26m

Reply Like? Yes (2) | No

(10 years ago)

given 10 rows , 10 columns.. so square garden . 9 gaps bw 10 trees..9*2=18,18+1+1(for boundaries)=20 m

Like? Yes (2) | No

(10 years ago)

It is a square garden so length on all sides is equal.
between tree and wall distance=1 m
so on both sides it will be 2*1m= 2m;
now btw each tree 2 m... total 10 trees ,so 9 gaps hence 9*2 m= 18 m.
totalling 18+2=20 m

Like? Yes | No

(10 years ago) "Other"

I walked into a shop with Rs.240 in my wallet and came out with a book, a pen and some chocolates and noticed that only Rs.40 left in my wallet.
I remembered the total amount spent on chocolates was 20 less than that of amount spent on book and pen, cost of pen was 30 more than that of book.
Can any one of you guess how much i spent on each item?

Reply Like? Yes | No

(10 years ago)

Remaining money= 240-40=200
Lets assume cost of book is X then cost of pen is X+30
Now money spent on chocolate is (X+X+30)-20=2X+10
Solving these
(X+X+30)+(2X+10)=200
=>X=40
So cost of book is 40 ,Cost of pen is 70 and cost of chocolates is 90

Like? Yes (4) | No

(10 years ago)

(x+y+z)=200; where x -> cost of notebook y -> cost of pen and z -> cost of choc
from given details,
(x+(x+30)+(x+(30+x)-20)=200;
4x+40=200;
x=40;
so cost of note book = x=40;
cost of pen = y=x+30=70;
cost of choc = z=x+y-20=40+70-20=90;

Like? Yes (1) | No

(10 years ago) "Other"

binary search algrtm can not be directly applied to which of the followng data stctre..
a)sorted linear arry
b)sorted plain linked list
c)binary tree
d)sorted pointer arry

Reply Like? Yes (1) | No

(10 years ago) "Other"

a complete n binary tree wth the property tht the value at each node is atleast as large as the value at its chlidren is knwn as

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

(10 years ago)

It is known as HEAP

Like? Yes (2) | No

(10 years ago) "Other"

How many small cuboids of dimension 2m X 3m x 4 m can be accommodated in a cube of side 22 m?
a) 160
b) 385
c) 420
d) 464

Reply Like? Yes (22) | No

(9 years ago)

option b is the correct answer i think.because,
for given 22m let us take 2m as length,then we get 11 such type of cubes in x direction,then take 3m as height then we get 7 such cubes in y direction(because 7*3=21). in z direction with 4m as breadth we get 5 such cubes (5*4=20). so we have total number of cubes as
11*7*5=385.

Like? Yes (6) | No (12)

(9 years ago)

I think option C (420) is the correct answer.
Because, the volume of the cube of side 22m is 10468 m^3.
The Volume of the cuboids of dimension 2m*3m*4m is 24 m^3
When both volumes are divided 10468/24=443.6667 cuboids which is the maximum limit. The number of cuboids the cube can accomodate cannot be greater than 443. The nearest option lesser than 443 is 420

Like? Yes (7) | No

(6 years ago)

option c is correct

Like? Yes (1) | No

(5 years ago)

10468 how it will take

Like? Yes | No

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