Question

Rachna borrowed a certain sum at the rate of 15 percent per annum . If she paid at the end of two years Rs 1290 an interest compounded annually , find the sum she borrowed ​

Answer 1

rate of per =15%

monw paid 2 year ago= rs 1290

sum of she borrowed = 1290÷100×15

1. 1290÷ 100 is 0 to 0 cancel
2. 129÷10×15
3. now ÷ 10 and 15
4. = 2=10 and3=15
5. so 129 ×3 ÷ 2 plz do not follow bodmas here
6. so , 129 x 3 = 387
7. now ÷ 387 to 2
8. = 193.5