QA- Quant (ka) Adda.

Let us discuss Quantitative Aptitude questions and various approaches to solve them quickly.


QA is the most important section in any competitive exam through which we can get good score with high accuracy. Practice reduces calculation time. Lets solve as many models as possible. 


Banking/CGL/Any other exam ( but only QA )

@kumar.atul93 @blank_space @mukund5 @apoorva.hymn @maddy216 @rahul.rks9  Ye lo aao idhar 🍻 

A conical flask is full of water. The flask has base radius r and height h. This water is poured into a cylindrical flask of base radius M. The height of the water in the cylindrical flask is

  • m/2h
  • 2h/m
  • h/3m^2
  • h/2

0 voters

A and B can together complete a work in 3 days. They start together. But, after 2 days, B left the work. If the work is completed after 2 more days, B alone could do the work in

  • 6 days
  • 8 days
  • 10 days
  • 4 days

0 voters

A does 20% less work than B. If A can complete a piece of work in 7.5 hours, then B can do it in

  • 4 hours
  • 8 hours
  • 6 hours
  • 10 hours

0 voters

A sum of Rs 300 is divided among among P, Q and R in such a way that Q gets Rs 30 more than P and R gets Rs. 60 more than Q. The ratio of their share is

  • 2:3:5
  • 3:2:5
  • 2:5:3
  • 5:3:2

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N is the foot of the perpendicular from a point P of a circle with radius 7 cm, on a diameter AB of the circle. If the length of the chord PB is 12 cm, the distance of the point N from the point B is

  • 12 2/7
  • 3 5/7
  • 10 2/7
  • 6 5/7

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A certain distance is covered at a certain speed. If half of this distance covered in double the time, the ratio of the two speeds is

  • 4 :1
  • 1 :4
  • 2 :1
  • 1 :2

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A trader makes a profit equal to the selling price of 75 articles when he sold 100 of the articles. What % profit did he make in the transaction?

  • 33.33
  • 300
  • 150
  • 75

0 voters

The graph of the equation 4x-5y=20 intersects the x-axis at the point

  • (4,5)
  • (2,0)
  • (5,0)
  • (0,5)

0 voters

In Δ ABC, AD ⊥ BC, then


  • AB^2 - AC^2 = BD^2 + CD^2
  • AB^2 - BD^2 = AC^2 - CD^2
  • AB^2 + BD^2 = AC^2 - CD^2
  • AB^2 - BD^2 = AC^2 + CD^2

0 voters



Find the remainder when 6799 is divided by 7

  • 3
  • 4
  • 5
  • 1

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Anyone having "Quantum cat by Sarvesh verma" pdf?? Please share, it ll be so helpful. Thanks in advance.

guys, post some quants to practice.................


AB + CD = AAA, where AB and CD are two-digit numbers and AAA is a three digit number; A, B, C, and D are distinct positive integers. In the addition problem above, what is the value of C?

  • 7
  • 3
  • 1
  • CBD
  • 9

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If n is an integer from 1 to 96 (inclusive), what is the probability for n*(n+1)*(n+2) being divisible by 8?

  • 62.5%
  • 75%
  • 50%
  • 25%

0 voters


If the sum of five consecutive positive integers is A, then the sum of the next five consecutive integers in terms of A is:

  • A+25
  • A+5
  • A+10
  • A+15
  • A+20

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Now a fun question to wake interested people .try to solve it in 3-4 minutes otherwise google the solution 😃


Suppose I have a 10-digits lock. The lock has the following rule:

The first digit of the code is the number of appearance of the digit '0' in the password

The second digit of the code is the number of appearance of the digit '1' in the password

The third digit of the code is the number of appearance of the digit '2' in the password

and so on until...

The 10th digit of the password is the number of occurrence of the digit '9' in the password.

Your task, find my password


A tank is fitted with 8 pipes, some of which that fill the tank and others that empty the tank. Each of the pipes that fills the tank fills it in 8 hours, while each of those that empty the tank empties it in 6 hours. If all the pipes are kept open when the tank is full, it will take 6 hours to drain the tank. How many of these are fill pipes?

  • 5
  • 2
  • 3
  • 6

0 voters


There are 12 yes or no questions. How many ways can these be answered?

  • 4096
  • 1024
  • 2048
  • 144

0 voters