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Ratio of the principal and the amont aft...

Ratio of the principal and the amont after 1 year is 10:12 Then the rate of interest per annum is:(एक वर्ष के बाद किसी मूलधन तथा मिश्रधन तथा मिश्रधन का अनुपात 10 : 12 है। तब वार्षिक बियाज दर एनम इस )

A

0.12

B

0.16

C

0.18

D

0.2

लिखित उत्तर

Verified by Experts

(d)
Required rate of interest(तक) =`(2)/(10)xx(100)/(1)-20%`
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