Question

find the interest on rupees 660 at​

Answer 1

Answer:

i found it like this

On a sum of money, simple interest for 2 years is Rs 660 and compound interest is Rs 696.30, the rate of interest being the same in both cases.

Step-by-step explanation:

Difference between C.I and S.I for 2 years = 36.30

S.I. for one year = 330.

S.I. on Rs 330 for one year = 36.30

So R% = \frac{100*36.30}{330*1} = 11%

Answer 2

Answer:

Difference in C.I and S.I for 2 years

= 696.30 - 660 = Rs. 36.30

S.I for 1 year = Rs. 330

S.I on 330 for 1 year = Rs. 36.3

S.I = PRT/100

36.30 = 330 × R × 1/100

R = 36.30 × 100/330

R = 11%

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