SSC Selection Post 2024 PYQ — Question 60

SSC Selection Post - Higher Secondary Level - 25 June 2024 - Shift 2 • Quantitative Aptitude • Q60

If a − b = 5 and ab = 25, then the value of a3 − b3 is:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is Option 4 i.e. 500 .

a3 − b3 = (5)3 + 3×25×5 = 125 + 375 = 500