Difficulty -
Medium
Total Plays - 20
Allowed Time - 10 sec
Best time - 1.124 sec
A sum doubles in 8 years at simple interest. In how many years will it triple?
#A
#B
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#D
Explanation:
If it doubles in 8 years, the interest earned = principal. To triple, interest = 2× principal.
So time = 8 × 2 = 16 years.
