Question

the principal will amount to 2600 in 3 years at 10% simple interest

Answer 1

Find total percentage:

100 + 10 + 10 + 10 = 130%

.

The amount is Rs 2600:

130% = 2600

.

Find 1%:

1% = 20

.

Find 100% (principle amount):

100% = 20 x 100 = Rs 2000

.

Answer: The principle amount is Rs2000