Question

Anita borrowed some money from a money leader at 7% p. a. simple interest to buy a laptop after 3 years and 9 months she paid back rupees 19687. 50 to the bank calculate the cost of the laptop

Answer 1

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Answer 2

Answer:

let the cost of laptop be ₹100,rate of interest=7 %

time=3 years 9months=15/4years

SI=P×R×T/100= 100×7×15/100×4=₹26.25

AMOUNT=100+26.25=₹126.25

IF AMOUNT IS ₹126.25 THEN PRINCIPLE=₹100

IF AMOUNT IS ₹1 THEN PRINCIPLE=₹100/126.25

IF AMOUNT IS ₹19687.50 THEN PRINCIPLE

=₹100/126.25×19687.50

=₹15594.06