A sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much?

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A.764
B.992
C.850
D.770
Answer:  B 

Explanation:

S.I = Rs. (920 – 800) = Rs. 120; P = Rs. 800, T = 3 yrs
 R = ( 100 X 120 )% / 800 X 3 = = 5%
New rate = (5 + 3) % = 8%
New S.I. = Rs. (800 X 8 X 3)/ 100== Rs. 192.
New amount = Rs. (800 + 192) = Rs. 992

1 comments:

Anonymous said...

This question was asked in TNPSC 24 Jan Group 2A 2016 CCSE Group II Non Interview Exam.

17 February 2016 at 12:42

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