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A sum of money becomes 3 times in 10 yea...

A sum of money becomes 3 times in 10 years at the rate of compound interest (compounded annually), In how many years will it become 243 times?
कोई राशि चक्रवृद्धि ब्याज ( वार्षिक चक्रवृद्धि ) की दर से 10 वर्षों में तिगुनी हो जाती है | यह कितने वर्षों में 243 गुना हो जाएगी ?

A

40 years

B

50 years

C

35 years

D

30 years

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