Question

(D) 4500 Rs.
13. The rate of simple interest being
increased from 8% to 81/2% the
interest on sum of money per year
is
increased by Rs. 200. Find out the
sum.
(A) 20,000 Rs.
(B) 40,000 Rs.
(C) 16,000 Rs.
(D) 12,800 Rs.​

Answer 1

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What would

ANSWER

S.I=Rs.340,Time=2 years,R=4%

(i)Let the sum of money be rs.x

S.I=100PRT

⇒340=100x×4×2

⇒x=4×2340×100=Rs.4250

(ii)C.I for Rs. 4250 for one year payable half-yearly

∴ T=1 year=2 half year,Rate=24=2%

A=P(1+100R)T

⇒4250(1+1002)2

⇒4250(100102)2

⇒4250×5051×5051

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