Math, asked by sy6601636, 5 months ago

the simple interest on a certain sum of money at 7/2% per annum for 47/21 year is Rs.658 the sum is​

Answers

Answered by Anonymous
3

Question:-

the simple interest on a certain sum of money at 7/2% per annum for 47/21 year is Rs.658 the sum is

Answer:-

Let the Principal be 100, Rate is 5.5%, Period =2 yrs . Therefore interest is 100×5.5×2/100= Rs.11/-. ( Rs.5.50 per year)

When SI is Rs.5.50 Principal is 100

When SI is Rs.3300/-(6600÷2)

Principal is:

3300 × 100 ÷ 5.50 = Rs.60000/-

For Compound Interest:

First Year Interest is the same as Simple Interest in annual compounding. Here it is 3300/- (1)

For the 2nd year you earn the same first year’s interest + the first year’s interest alsoearns interest .

=> 3300 (1) + 3300 + 181.50 (3300 × 5.5%)

Compound Interest = Rs. 6,781.50

hope it helps you

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