Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Interest Compound Interest
On a compound interest, a sum is tripled to the original amount in 4 years. In how many years it will be 81 times its original amount?
1
16
2
14
3
18
4
More than one of the above
5
None of the above