A number of six digits is written down at random. The probability that sum of digits of the number is even, is

Question

A number of six digits is written down at random. The probability that sum of digits of the number is even, is (A) (1/2) (B) (3/8) (C) (3/7) (D) None of these

Tardigrade Admin · Accepted Answer

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.

Q. A number of six digits is written down at random. The probability that sum of digits of the number is even, is

$\frac{1}{2}$

$\frac{3}{8}$

$\frac{3}{7}$

None of these

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 $1/2$ .