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Maths Quotes

AS A KEY OPENS THE DOOR, MATHS IS THE KEY TO ALL PROBLEMS WHICH ARE THEORITICALLY PROVED.

REDDY GARU

Learn mathematics better and solve your own problems.

K. Anandakumar

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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(6 years ago) "Other"

sorry to ask i need to know the use of solving problems in this website. Is any recruiting process is going based on the performance.

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(6 years ago)

For recruitment processes, the first round conducted by any top MNC company is APTITUDE TEST. For that purpose, this site is useful for discussing and getting things clarified ( aptitude related questions ) from both faculty, and fellow peers.

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(6 years ago)

thank you for your reply sir .And also i have a doubt depend upon the score company people recruit us or not

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(6 years ago) "Other"

The average age of a group of 12 students is 20 years. If 4 more students join the group, the average age increases by 1 year. The average age of the new students is?

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(6 years ago)

For 12 is 20
For 16 is 21 then
For 4 is 18 ....so ans is 18

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(6 years ago)

12 -- > 20
16--> 21
so 4-- > 24

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(6 years ago) "Other"

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

Reply Like? Yes (2) | No

(6 years ago) "Other"

Venn diagram questions

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(6 years ago) "Other"

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

Reply Like? Yes | No (1)

(6 years ago) "Other"

In the reading room of a library, there are 23 reading spots. Each reading spot consists of around table with 9 chairs placed around it. There are some readers such that in each occupied reading spot there are different numbers of readers. If in all there are 36 readers, how manyreading spots do not have even a single reader?
a) 8 b)17 c) 16 d) 15

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(6 years ago) "Other"

In the following question, select the related letter from the given alternatives.

DE : O : : AF : ?

A.) H
B.) K
C.) J
D.) I

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(6 years ago) "Other"

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

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to (6 years ago) "Other"

You+your = heart when o=4 then what is h+a+t+e

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(6 years ago)

942+9426= 10368
H=1
a=3
t=8
e=0
h+a+t+e=12

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(6 years ago)

sorry sir plz explain briefly

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(6 years ago) "Other"

AppValley Apk download shows amazing quality of its database that make it different from other apps like AppValley Apk. https://appvalleyguide.com/

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(6 years ago) "Other"

There are 3 boys A,B,C and 2 girls D,E. D always sit right to A.girls never sit in extreme positions and in the middle position. C always sits in the extreme positions. who is sitting immediate right to E?

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(6 years ago)

There can be two arrangements. Both of them satisfy the conditions given in the question. Those are
1. C D A E B or
2. B D A E C

So if we consider the 1st arrangement the answer will be B
and if we consider the 2nd case it will be C

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(6 years ago) "Other"

nice puzzles and interview questions

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(6 years ago) "Other"

Esha bought two variety of rice costing Rs.50 per kg and Rs.60 per kg and mixed them in some ratio then she sold that mixture at Rs.70 per kg making a profit of 20%. What was ratio of the mixture?

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(6 years ago)

Ratio of mixture should be 1:5.

CP of 6 kg mixture = (50*1+60*5)/6 = Rs 350/6
SP of 1 kg mixture for 20% profit = 350*1.2/6 = 35*12/6= rs 70

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(6 years ago)

Cost Price of 1 kg mixture = (100/100+20)*70 = 175/3
now by rule of alligation ratio will be
(175/3 - 5):(60-175/3)
=1:5

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(6 years ago) "Other"

how many prime numbers are there which are less than 100 and greater than 3 such that they are simultaneously of the following forms.4x+1,5y-1.

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(6 years ago)

only prime number with unit digit as 9 will satisfy given condition.
so 19,29, 59,79, 89 are such numbers.

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(6 years ago) "Other"

901,785,677,325,101, what is next number in this series

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(6 years ago) "Other"

It is very helpful sir

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(6 years ago)

It is helpful sir

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(6 years ago) "Other"

6 women and 10 children together take six
days to complete a piece of work. How
many days will 10 children take to
complete that piece of work if six women
together can complete the same piece of
work in 10 days?
A. 15 B. 8
C. 12 D. 10
E. None of these

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(6 years ago) "Other"

A job can be completed by a person A alone
in 24 days and by another person B alone in
40 days. A and B work on the job together
and C works with them for 6 days. The three
complete the job in 12 days. In how many
days can C alone complete the job?
A. 33 days B. 36 days
C. 24 days D. 30 days
E. None of these

Reply Like? Yes (1) | No

(6 years ago)

D. 30 days

12(1/A + 1/B) + 6(1/C)=1
=> 12(1/24 + 1/40) + 6/C=1
=> 6/C = 1 - 8/10 = 1/5
=> C=30

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(6 years ago) "Other"

how many three digit positive integers with digits X Y and Z in the hundreds tens and units place respectively is a suspect X is less than Y and Z is less than Y and X is not equal to zero

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(6 years ago) "Other"

If the length is 4 times the breadth and the area of the rectangle is 2500 square units. Find the length

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(6 years ago)

Let the breadth be x, then length=4x
Area 4x*x=2500
=> x=25
Hence length =4x=100 units

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(6 years ago) "Other"

How many divisors of 21600 are divisible by 24 but not by72

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(6 years ago) "Other"

The sum of four consecutive even integers is 44 what is the sum of the squares of these numbers

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(6 years ago) "Other"

I wanted to go the church, I moved northwards and after covering to some distance
turned to left and moved 5 km and reached the crossing. The road in front of me led to
the Casino while the road to my left led to me Miranda college and the road to my right
led to the church. In which direction the church is located with reference to starting
point.?

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(6 years ago) "Other"

Can any one answer this?
The number of integer n with 100

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(6 years ago) "Other"

from where can i get a free material to prepare for infosys written test

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(6 years ago) "Other"

There is a set of 9 numbers that relate with each other in certain way. find how first box works and relate it to second
20 6 22
5 8 42
75 42 102

12 15 3
6 ? 12
54 81 45

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(6 years ago)

?=12
(15+12)*3= 27*3= 81

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(6 years ago) "Other"

A man has two bags with 10 mangoes each. On his way home he needs to cross five gates which are guarded by watchmen. Every gate the man crosses, that gate's watchmen will take out two mangoes from each bag with mangoes. Can the man take home any mangoes after crossing all five gates. If yes how many and how?

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(6 years ago)

At first 3 gates, he will give 12 mangoes and left with 8 mangoes in 1 bag.
At next 2 gates, he will give 4 mangoes from one bag and he will be having 4 mangoes at home.

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(6 years ago) "Other"

Q. Two trains for B leave A at 6.30am and 7.40am and travel at 30km/hr and 40 km./he respectively. How many kms from A will the trains meet?
a) 100km
b) 35km
c) 150km
d) 140km

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(6 years ago)

d) 140km

Let after time of 't' hrs both train meets, then
Distance covered by train leaving at 6.30 am at 30 kmph = Distance covered by train leaving at 7.40 am at 40 kmph.
=> (1 hr 10 min + t)*30 = t*40
=> (7/6 + t)*30 = t*40
=> t = 7/2 or 3.5 hrs i.e. both train meets after 3 hr & 30 min.
Hence distance covered from A is (7/6 + t)*30 or t*40 = 140 km.

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(6 years ago) "Other"

I am a hardworking, honest and dedicated guy and want to pursue my career in the Computer Software where I will able to utilize my skill, knowledge and academic information whatever I have learned in my School and Colleges till date.

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(6 years ago) "Other"

For Soliton just practice ELECTROSTATICS and KINEMATICS problems(in TN matric. Book) and some basic aptitude problems.
The aove mentioned things are only for campus recruitment

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(6 years ago)

above-mentioned.

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(6 years ago) "Other"

https://www.eduncle.com/iit-jam-exam

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(6 years ago) "Other"

The ratio between the present age of Anup and his four years hence is 4:5.The ratio between the present age of Anup and Tamana is 4:7. If the difference between present age of Anup and Tamana is 18 years, What was anups age five years.

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(6 years ago)

anup present age 16,tamana present age 34

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(6 years ago) "Other"

A sequence of 4 bits is randomly generated.Each bit takes up a binary format and can either have a value of 0 or 1. What is the probability that at least one of these bits is zero?

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(6 years ago)

Ans.15/16.

Explanation: Because there 2 chances. And 4 digits are to be used. So total no. Of possible outcomes is 2^6=16.
In 2 chances, except 1111, every outcome will have ≥ 1 zero's.
So P(0)= 16-1/16
= 15/16.

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(6 years ago) "Other"

Congratulations for bright future

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(6 years ago) "Other"

If good ,bad and ugly are as coded as 164,21,and 260respectively.Then what is the code oh jump?

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(6 years ago)

Here we coded ABC... In numbers
Then name =sum of the numbers encoded by ABC... * number of character in this word
Then good=41*4=164
Bad=7*3
Jump=60*4=240

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(6 years ago) "Other"

Find the least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

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(6 years ago) "Other"

X sell two articles

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(6 years ago) "Other"

Hello eveyone, plz hlp me regarding ibm online apptitude test... plz send me d materials if anybody having .
mailid:-aparnabanerjeecool2709@gmail.com

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(6 years ago) "Other"

A triangle has a perimeter 13. The two shorter sides have integer
lengths equal to x and x + 1. Which of the following could be the length of
the other side?

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(6 years ago)

ans is 7 as p=l+b+h an we need one more side achieved through x+x+1=y

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to (6 years ago) "Other"

Q: A chocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume of the chocolate in the resulting drink is nearly
a) 10% b) 15% c) 6% d) 20%

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

(6 years ago)

ocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume o

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(6 years ago)

ocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume o

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(6 years ago)

Ans is 'c'
In a 25 litres of this drink pure chocolate is 25*8/100=2 litre
After adding milk
30*x/100=2
X=6.67%

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(6 years ago) "Other"

A box contains 90 mts each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg., then the weight of the empty box is :

Reply Like? Yes (1) | No

(6 years ago)

Ans.11.5

Total mass of things in it= 90x100+100x150g
=9000+15000g
=24000g
=24kg
So weight of empty box=35.5-24kg=11.5kg

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(6 years ago) "Other"

the second term of a G.P. is 2 and sum of the infinite terms is 8, then what will be the first term?

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(6 years ago)

First term=a
Ratio =r
Second term =ar=2
r=2/a
a/1-r=8
a/1-2/a=8
a^2/a-2=8
a^2-8a+16=0
a=4

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to (6 years ago) "Other"

A number lying between 1000 and 2000 is such that on division by 2,3,4,5,7 and 8 leaves the remainders 1,2,3,4,5,6 and 7 respectively. The number is?

Reply Like? Yes | No (1)

to (6 years ago) "Other"

8,35,143,?,575 can you please let me know the missing number in series

Reply Like? Yes (5) | No

to (6 years ago) "Other"

901,785,677,325,101,? Can you please let me know the missing number in this seriesLike

Reply Like? Yes | No (2)

to (6 years ago) "Other"

901,785,677,325,101,? Can you please let me know the missing number in this series

Reply Like? Yes | No

to (6 years ago) "Other"

8,35,143,?,575 can you please let me know the missing number in series

Reply Like? Yes (1) | No

(6 years ago) "Other"

Due to 20% reduction in the price of orange a man enable to buy 2 dozen more oranges in 50 rupees find the price of orange after reduction??

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(6 years ago) "Other"

value of h (1,2,3)

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(6 years ago) "Other"

+➒➊-8094945424 How To Get Your Ex Girlfriend Back in Pune

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