SSC CPO 2019 PYQ — Question 142

SSC CPO Tier I - 12th December 2019 - Shift 2 • Quantitative Aptitude • Q142

What is the sum of the greatest three-digit number and the smallest four-digit number, whose HCF is 23?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is Option 1 i.e. 2001

Understanding Application
Tricks

The best way is to go through the option.

If two numbers are divisible by some other number, then their sum is also divisible by that number.

So, this number in the options must be exactly divided by 23.

Hence Here only 2001 is exactly divisible by 23.