SSC CGL 2023 PYQ — Question 15

SSC CGL Tier II - 2 March 2023 - Shift 1 • Quantitative Aptitude • Q15

The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 2

As we know that

one number * other number = LCM * HCF

Calculation

(one number)/10 * (second number/10) = first * second = 1500/100 = 15

pair of first and second independent factors of 15 = (5, 3) (15, 1) 

Hence, there are 2 possible pairs