Home Maths Probability Use of Permutations and Combinatons in Probability Three integers are chosen at random from the…
Maths Probability Use of Permutations and Combinatons in Probability Single Correct MCQ
Published on: August 13, 2026

Three integers are chosen at random from the first 20 integers. The probability that their product is even, is

A
B
C
D

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The correct answer is:
C

The total number of ways in which 3 integers can be chosen from first 20 integers is The product of three integers will be even if at least one of them is even.

Required probability = 1 – Probability that none is even

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