Question

When the rate of interest is decreased to 12.5% p.a. from 13%,
there is a loss of Rs.104 in the annual income. What is the principal ?
(A)
A) Rs.20800/-
(B) Rs.21200/-
(C) Rs.22400/- (D) Rs.23200/-​

Answer 1

Correct answer is B

Let capital = Rs . P

Then, SI1 - SI2 = 104.

⇒ (P x 13 x 1)/100 - (P x 25/2 x 1) /100 = 104

⇒ 13P/100 - P/8 = 104

⇒ 26P -25P = (104 x 200)

⇒ P = 20800

∴ Capital = Rs. 20800.

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