Question

The present worth of rs 990 due 1 year hence at 10% annually is

Answer 1

Step-by-step explanation:

let amount be x so the intrest is 990-x

$si = \frac{p \times r \times t}{100} \\ \\ 990 - x = \frac{x \times 1 \times 10}{100} \\ \\ 990 - x = \frac{10x}{100} \\ \\ 99000 - 100x = 10x \\ 99000 = 110x \\ x = \frac{99000}{110} \\ \\ amount = 900$