1.

Vinita invested a certain amount at the rate of 8 p.c.p.a. for 5 years and obtained a simple interest of 3,800. Had she invested the same amount at same rate of interest for 2 years, how much compoun

Answer»

<P> Rs. 1580.80



Principal = SI X 100/Tiem x Rate
= 3800 x 100/8 x 5 = Rs. 9500
A = P (1 + R/100)T
 = 9500 (1 + 8/100)² 
= 9500 x 27/25 x 27/25
= Rs. 11080.8
∴ C.I. = Rs. (11080.8 - 9500)= Rs. 1580.8



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