Paper 1 · Mathematical Reasoning and Aptitude
UGC NET 2021 Political Science (Shift 2)
A sum of money at compound interest doubles itself in 15 years. In how many years will it become eight times itself?
A45 years ✓ Correct
B48 years
C54 years
D60 years
Answer: A
Explanation
★Doubling in 15 years means eight times, which is two cubed, takes 15 x 3 = 45 years. Hence option A.
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