Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Probability

Question:

A number of six digits is written down at random. Probability that sum of digits of the number is even is

Options:

1/2

3/8

3/7

none of these

Correct Answer:

1/2

Explanation:

As we are considering all possible six digit numbers, half of these would have sum of their digits to be even and half of these would have sum of their digits to be odd. Hence the required probability would be 1/2.