X is a greatest three-digit number exactly divisible by 12, 20, and 25. The sum of the digits of X is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 9.
LCM of 12, 20, 25 = 300
Greatest 3-digit number divisible by 300 = 300 × 3 = 900
Sum of digits = 9 + 0 + 0 = 9