Question

what should be invested for 4 years at 9% per year to earn rupees 108 simple interest

Answer 1

Answer:

Step-by-step explanation:

pxrxt/100

180x9x4/100

si=324/5

si=64.8

Answer 2

Answer:

Rs 300

Step-by-step explanation:

Find interest for 1 year:

4 years interest = Rs 108

1 year = 108 ÷ 4 = Rs 27

Find the principal amount:

9% interest = Rs 27

1% = 27 ÷ 9 = 3

100% = 3 x 100 = Rs 300

Answer: Rs 300 should be invested.