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Dimple

India

Punjab

Time: 00:01:33

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Maths Quotes

Arithmetic is numbers you squeeze from your head to your hand to your pencil to your paper till you get the answer.

Carl Sandburg

If a man's wit be wandering, let him study the mathematics.

Azhar Shahid

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

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to (8 years ago) "Other"

Hello
My name is Vicki i am kind and loving woman i will like you to contact me at vicki_paolo@yahoo.com because i have something to tell you about me.
Thanks Vicki

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to (8 years ago) "Other"

Hello
My name is Vicki i am kind and loving woman i will like you to contact me at vicki_paolo@yahoo.com because i have something to tell you about me.
Thanks Vicki

Reply Like? Yes (2) | No

(8 years ago) "Other"

heyyy i m new in m4MATH.... after reading all of ur post ... it seems it is vry usefull site :)

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(8 years ago) "Other"

How many minutes is it before 12 noon, if 48 minutes ago it was twice as many
minutes past 9 am?

Reply Like? Yes (2) | No

(8 years ago) "Other"

In a queue sonu is standing 9th from either end .what is total number of people standing in the queue
??

Reply Like? Yes (2) | No

(8 years ago) "Other"

complete the series 6,14,36,98,276,?

Reply Like? Yes (1) | No

(8 years ago)

i think 804
and i think 276 is wrong it might be 216

Like? Yes (1) | No

(8 years ago) "Other"

Q.Two pipes X and Y can fill a tank in 25 hours and 20
hours respectively. Hari opened the pipes X and Y to
fill an empty tank and some times later he closed the
pipes X and Y when the tank was supposed to be
full. After that it was found that the tank was emptied
in 5 hours because an outlet pipe Z connected to the
tank was open from the beginning. If Hari closed the
pipe Z instead of closing pipes X and Y the remaining
tank would have been filled in what time ?

Reply Like? Yes (1) | No

to (8 years ago) "Other"

Hi bro could you explain in simplest way to solve this question.. Thanks
Q. Suppose two boys can read three books in four days. At the same rate, how long will it take 8 boys to read a dozen books? Explain with steps.

Reply Like? Yes (3) | No

(8 years ago)

Ans-> 1/4 day ..................................

Like? Yes (2) | No

(8 years ago) "Other"

Suppose two boys can read three books in four days. At the same rate, how long will it take 8 boys to read a dozen books? Explain with steps.

Reply Like? Yes (2) | No

(8 years ago)

2 Boys--- 3 Book--4 Days
so, 2 Boys read= 3/4 Book each day , i.e 1 boy can read= 3/8 book each day.
No, 8 Boys and dozen book
8 boys can read 12 books in = (3/8)*8(boys)*12(book)= 36 Days.

Like? Yes (1) | No

(8 years ago) "Other"

plz explain

Q: The diameters of two concentric circles are 10 cm and 16 cm respectively. The area of the
region between the circles is (in square cm)

Reply Like? Yes (1) | No

(8 years ago)

Area= PI(8^2-5^2)

Like? Yes (1) | No

(8 years ago) "Other"

125,80,45,20,...... complete series
options a)5 b)8
c)10 d)12

Reply Like? Yes (2) | No

(8 years ago)

Please answer with explaination

Like? Yes (1) | No

(8 years ago)

The answer is 5
5+(15)=20
20+(25)=45
45+(35)=80
80+(45)=125

Like? Yes (2) | No

(8 years ago)

Answer is ::5
5(Original Number)+15=20, 20+25=45, 45+35=80, 80+45=125

Like? Yes (1) | No

(8 years ago) "Other"

how many change the language in hindi

Reply Like? Yes (1) | No

(8 years ago) "Other"

A rectangular country and 36 meters long and 27 meters broad has a path 3 meters broad all around it. find the time cost of covering the path with flagstones at 25 paise per sq.meter?
1)85.50rs
2)103.50rs
3)112.50rs
4)126rs

Reply Like? Yes (1) | No

(8 years ago) "Other"

Container has 40Lr of water.If 3lit of water is replaced by 3litr of spirit and this operation is repeated twice,What will be the quantity of water in the new mixture???

Reply Like? Yes (2) | No

(8 years ago) "Other"

Driver of ambulance sees a school bus 60km ahead of him.After 30sec the school bus is 90km behind.If the speed of the ambulance is 38kmph,then What is the speed of school bus?
Ans;20kmph
Can anyone explain the detailed solution ???????????????????????????????????????????

Reply Like? Yes (2) | No

(8 years ago)

but i am getting 36.8 kmph

Like? Yes (1) | No

(8 years ago)

plz correct your question first... if u r saying the speed of ambulance is 38kmph then how can it cover cover the distance of 150km(60+90) in just 30secs???

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(8 years ago) "Other"

1 1 1 2 2 2 3 4 3 3 5 6 - - - last three numbers in the serious

Reply Like? Yes (1) | No

(8 years ago)

4 4 7 is the answer

Like? Yes (1) | No

(8 years ago) "Other"

A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel?

Reply Like? Yes (1) | No

(8 years ago)

8!/3!*5!=56
8!/4!*4!=70
70+56=126

Like? Yes (2) | No

(8 years ago) "Other"

Q: A committee of 6 members is to be formed out of 6 men and 3 women. The number of
committees that can be formed in which at least one woman is included is ? plz explain

a) 83 b) 63

Reply Like? Yes (1) | No

(8 years ago)

(6C5*3C1)+(6C4*3C2)+(6C3*3C3)
18+45+20=83

Like? Yes (2) | No (2)

to (8 years ago) "Other"

Q: The sum of K numbers is 2000 and their average is 50. If 91 is included into the list, then
the new average is ?

a) 51 b) 49 c) 41

Reply Like? Yes (5) | No (1)

(8 years ago)

Sum =2000
Average =50
So, K =2000/50 =40 (Average = Sum of observations / Number of observations)
Now 91 is added so sum becomes 2000+ 91= 2091
New average = 2091 /(40 +1) = 51 Ans

Like? Yes (3) | No

(8 years ago)

50K=2000 so, K Numbers=40. Now 91 is to be added.
New average = 50(Average)+41(Extra and this extra is distributed among all the numbers , as their will be 41 number after including 91.)

Like? Yes (4) | No

(8 years ago) "Other"

Iam a fresher.................

Reply Like? Yes (2) | No

to (8 years ago) "Other"

Q The length of a rectangle is decreased by 10% but the area remains the same. Then, percentage
increase in the breadth of the rectangle is ? plz explain

Reply Like? Yes (1) | No

(8 years ago)

Let Suppose,
Length = 10
Breadh = 18
So, Area = 18 * 10 = 180
Now length is decreased by 10% so new length = 9
Area = l * b
180 = 9 * b
b =20

Difference in breadth = (20 - 18) = 2
% change = (2 * 100)/18 = 11.1 % Ans

Like? Yes (2) | No

(8 years ago) "Other"

If x^4 + 1/x^4 = 47, then find the value of x^3 + 1/x^3

Reply Like? Yes (1) | No

to (8 years ago) "Other"

plz explain

Q The length of a rectangle is decreased by 10% but the area remains the same. Then, percentage
increase in the breadth of the rectangle is ?

Reply Like? Yes (1) | No

(8 years ago) "Other"

In an exam, there were 25 math qns and 75 nonmath qns. To answer a math qn, a candidate was supposed to spend twice the time he spends to answer a nonmath qn. If the entire exam duration was 2 hrs, find the time he spent on the math qns.

Reply Like? Yes (1) | No

(8 years ago)

80 MIN (1.20 hr) he has to spend for math
40 min for nonmath

Like? Yes (1) | No

(8 years ago)

48 minutes

let time spent on non math question be x min
then time spent on math question = 2x min
25*(2x)+75*x=120
125x=120
x=120/125=0.96
time spent on non math questions=75*0.96=72 min
time spent on math questions=25*2*0.96=48 min

Like? Yes (1) | No

(8 years ago) "Other"

Hi
Recently I have written e-litmus.My percentile is as follows
Verbal - 86.42
Problem Solving - 92.00
Quantitative - 84.93
I have completed my M.Tech. My doubt is will there be any openings for M.Tech people through E-Litmus. If yes will i get calls through this percentile
Thanks in advance

Reply Like? Yes (1) | No

(8 years ago)

hi sanjeev ..even i am also a M.tech candidate. i am willing to take elitmus test since i don have any reference and i heard this is the only way .. can you pls tell me how you prepared and what material you followed..or any website link...?

Like? Yes (1) | No

(8 years ago)

Actually I did not prepare for exam i have directly attempted it. Make sure that you do not attempt any questions that you do not know. Attempting 7-8 questions perfectly will make your percentile greater than 90

Like? Yes (1) | No

(8 years ago) "Other"

Plz solve integration of (x^(n-1))/sqrt(1+4x^n)

Reply Like? Yes (1) | No

(8 years ago) "Other"

The product of n positive numis unity.Then their sum is_?

Reply Like? Yes (1) | No

(8 years ago) "Other"

If log x= log 3+ log2-(3/4)log 16. The value of x is

Reply Like? Yes (1) | No

(8 years ago) "Other"

Pipes A and B can fill a cistern in 20 min and 30 min and C can empty it in 15 min. If the three are kept open successively for 1 min each in the order how soon will the cistern be filled?

Reply Like? Yes (2) | No

(8 years ago)

Take L.C.M of 20, 30, and 15 which is 60.
A fill 3 liter in a min
B fill 2 liter in a min
C empty 4 liter in a min
So if they are kept open for one min successively, In 3 min
(3+2-4) = 1 liter will be filled.
So after 55 successful round i.e 55 * 3 = 165 min 55 liter is filled.
In nest two min A and B will be open so 55 + 3+ 2 = 60 liter. Cistern full.
so Total time = 165 + 2 = 167 min.

Like? Yes (1) | No

(8 years ago) "Other"

what is the reminder when 7^7oo is divided by 100?

Reply Like? Yes (1) | No

(8 years ago) "Other"

very lucky to work in it

Reply Like? Yes (1) | No

to (8 years ago) "Other"

Good Morning My sister...Can you please tell me what is sap? and for what it is used?

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

(8 years ago) "Other"

In Elitmus exam I got
Resoning -89 percentile
Verbal- 70 percentile
Quant- 85 percentile
What are my chances to get call from any company

Reply Like? Yes (2) | No

to (8 years ago) "Other"

r u from gnitc? whch branch?

Reply Like? Yes (1) | No

(8 years ago) "Other"

a book seller sells a book at a profit of 10%. if he had bought it at 4% and sold it for 6 rs more he would have gained 18(3/4)%.the cp of the book.

Reply Like? Yes (1) | No

(8 years ago) "Other"

if from a circular sheet of paper of radius 15cm a sector of 144 degree is removed and the remaining is used to make a conical surface, then the angle at the vertex will be

Reply Like? Yes (1) | No

(8 years ago) "Other"

if arun can change a light bulb in 5/6 minutes, how many minutes will he take to change 5 light bulbs. Please solve

Reply Like? Yes (1) | No

(8 years ago)

if 1 light bulb is changed in 5/6min.
i.e in 1 min 1/5/6 light bulb will be changed.
therefore in 5 min. there will be 5*6/5 = 6 bulb will be changed.

Like? Yes (2) | No

(8 years ago)

If one bulb------5/6 mins
the 5 bulbs ----??
(5)*(5/6)=25/6

Like? Yes (1) | No

(8 years ago) "Other"

hey Guys How Many of you are Preparing For SBI PO??

Reply Like? Yes (1) | No

(8 years ago) "Other"

maxima minima of 2^(sin x -cos x)

Reply Like? Yes (1) | No

(8 years ago) "Other"

Q: How many numbers lying between 200 and 600 are divisible by 4,5 and 6 ? plz explain
(a) 5
(b) 6
(c) 7
(d) 8

Reply Like? Yes (2) | No

(8 years ago)

Take Lcm of 4,5,6 which is 60.that means interval will be 60 and numbers are 240,300,360,420,480,540 not 600 bcz asked lying between therefore answer will be 6.i hope it will be helpful @RAMAKRISNA

Like? Yes (1) | No (1)

(8 years ago)

lcm of 4,5,6=60
therefore all multiple of 60 will be divisible by 4,5,6.
so the exactly 6 number is divsible by 4,5,6

Like? Yes (1) | No

(8 years ago)

c) 6
bcoz lcm of 4,5,6 is 60. so only the multiples of 60 will be the num tht r divisle by 4,5,6.
btwn 200-600 the mltples of 60 are 240,300,360,420,480,540,600. total 7

Like? Yes (1) | No (1)

(8 years ago) "Other"

Three pipes, A, B, & C are attached to a tank. A & B can fill itin 20 & 30 minutes respectively while C can empty it in 15 minutes.If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?

Reply Like? Yes (2) | No

(8 years ago)

A B - C A+B-C
20 30 15 (X=60)
3 2 4 1
------------------------------
60 60 60 60

60 Min I think.

Like? Yes (1) | No

to (8 years ago) "Other"

ER. Prateek dhir !!!

great ::::: :)

Reply Like? Yes (2) | No

to (8 years ago) "Other"

There are two alloys of gold and silver. In the first alloy there is twice as much as gold as silver,and in second alloy there is 5times less gold than silver. how many times more must we take of the second alloy than the first in order to obtain a new alloy in which there would be twice as much silver as gold

Reply Like? Yes (4) | No

(8 years ago) "Other"

When will tcs again conduct off campus for 2016 batch ?? I heard in sep, can anybody help me out.. ?

Reply Like? Yes (2) | No

(8 years ago) "Other"

https://jobseekersweb.wordpress.com

Visit this link and get the best preparation materials for java, this blog helped me a lot, now i got placed, hope it will help u also.

Reply Like? Yes (1) | No

(8 years ago) "Other"

Q: one side of a square is increased by 30%. To maintain to same area other side will have to be decreased by ?

Reply Like? Yes (1) | No

(8 years ago)

Let the side of square be .. = 10
Then area of square =>
10×10 = 100
Now,
One side is increased by 30%,
10×130/100 = 13
Let other side be decreased by x ,
So area of square
13×(10-x) = 100
130-13x = 100
x = 30/13
So the other side decreased by 30/13 %

Like? Yes (1) | No

(8 years ago) "Other"

Hi guys... i got job in JP Morgan yesterday. so i just want to share one link which really helped me . in my resume i have written core java. from core java portion only HR asked. I am a uploading a link https://jobseekersweb.wordpress.com , core java question i studied from this blog only.and most of the questions asked by HR was almost same. This blog is really helpful for me . i hope it will work for u also. this blog is all about just u can revise all the things one night before the interview. thank you.

Reply Like? Yes (2) | No

(8 years ago) "Other"

How much water must be added to 60 liters of milk at 11/2 liters
for Rs 20 so as to have a mixture worth Rs 10 2/3 a liter?

Reply Like? Yes (2) | No

(8 years ago) "Other"

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

Reply Like? Yes (1) | No

(8 years ago) "Other"

plz explain

A12, E48, I46, O184, ?

(a) U182 (b) U183 (c) U181 (d) U180.

Reply Like? Yes (5) | No

(8 years ago)

(12*4)=E48 and(48-2)=I46 similarly (46*4)=184 and (184-2)=182 so ans :U182

Like? Yes (3) | No (1)

(8 years ago)

U182;
Vowels A, E, I ,O, U
12*4 = 45 = E48;
48-2 = 46 = I46;
46*4 = 184 = O184;
184-2 = 182 = U182

Like? Yes (3) | No

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