Difference in amount = 514 - 415 = 99
99 = (415 x 4 x R)/100
R = 5.96%
Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.
Where d is difference, r is rate of interest.
=> (48 x 100 x 100) / 8 x 8 = Rs.7500
Let x be the investment of Lasya in 5% and y be in 4%
x(5)(n)/100 = y(4)(n)/100
=> x/y = 4/5
x : y = 4 : 5
Simple Interest = S.I= pnr/100 Given, S.I = 23940 , p = 28500 , n = 7 thus, r = 100x23940/28500x7 = 12
Let rate = R% and time = R years.
Then,
=> R = 6.
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