Question

If the simple interest of a certain sum of money at 5% per annum for 2½years is Rs. 56, then the sum is

A) Rs. 444 B) Rs. 446

C) Rs. 448 D) Rs. 450​

Answer 1

Step-by-step explanation:

Let the sum=P Rs.

S.I=50 Rs.

Rate of interest=5 %

Time =2 years.

S.I=

100

P×R×T

50=

100

P×5×5

P=

5×2

50×100

=500Rs.

C.I. of 500 Rs

Amount=500(1+

100

5

)

2

⇒500×

100

105

×

100

105

⇒500×

20

21

×

20

21

⇒551.25

C.I=551−500−51.25Rs.

Answer 2

the answer is option (c).

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