SSC Selection Post 2023 PYQ — Question 58

SSC Selection Post - Higher Secondary Level - 28 June 2023 - Shift 2 • Quantitative Aptitude • Q58

What is the least value of * so that the number 457643*4 is divisible by 18?

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 3.

Divisible by 18: Must be divisible by both 2 and 9

Last digit = 4 (even) → Divisible by 2

Sum of digits = 4 + 5 + 7 + 6 + 4 + 3 + * + 4 = 33 + *

If * = 3 then, 33 + * = 36 (Divisible by 9)

Hence, the required value is 3.