Start learning →

GMAT Mathematicalability — practice by topic

Browse 6 questions across 2 Mathematicalability topics. Choose what you want to revise, then open a question to check its answer and worked solution.

Start learning GMAT with Quill →

Mathematicalability topics

Probability (4)Permutations and Combinations (2)

Try a Mathematicalability question

If P(A) = 0.4, find P(complement of A).Read the answer and worked solution →Probability of drawing a king from a standard deck of 52 cards:Read the answer and worked solution →Probability of getting an even number on rolling a single die:Read the answer and worked solution →A bag has 3 red and 2 black balls. Probability of red ball drawn at random:Read the answer and worked solution →

Worked practice questions

If P(A) = 0.4, find P(complement of A).

  1. 1.0
  2. 0.4
  3. 0.5
  4. 0.6
Show answer and solution

Correct answer: D. 0.6

1. P(A) + P(A') = 1. 2. P(A') = 1 − 0.4 = 0.6. _Source: TSICET 2024 PYQ Q.105 (Shift 1, Probability)_

Open this question →

Probability of drawing a king from a standard deck of 52 cards:

  1. 1/13
  2. 1/52
  3. 4/52
  4. 1/4
Show answer and solution

Correct answer: A. 1/13

1. There are 4 kings in 52 cards. 2. P = 4/52 = 1/13. _Source: TSICET 2024 PYQ Q.121 (Shift 1, Probability)_

Open this question →

Probability of getting an even number on rolling a single die:

  1. 1/2
  2. 1/3
  3. 1/6
  4. 2/3
Show answer and solution

Correct answer: A. 1/2

1. Even outcomes: 2, 4, 6 → 3 cases. 2. P = 3/6 = 1/2. _Source: TSICET 2024 PYQ Q.122 (Shift 1, Probability)_

Open this question →

How to practise

  1. Choose a Mathematicalability question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.