Math, asked by karan2892002, 2 months ago

A certain sum of money at simple interest to rs 1120 in 3 years and to rs 1200 in 5 year. find the principal and the annual rate of interest.​

Answers

Answered by nehaliganvit3
2

Step-by-step explanation:

S.I. for 5years = Rs. (1120-1200)

=80

S.I. for 3 years = Rs. (80 x 3 x 3) = Rs. 720

Principal = Rs. (1200 - 720) = Rs. 480

Now, P = 480 T = 2, and S.I. = 720

Rate = (100x720/480x2)% = 75%

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