Question

the rate per cent per annum if 300 yield 72 rupees as interest in 3 years is​

Answer 1

Given:

• SI = 72 rupees
• P = 300 rupees
• T = 3 years

To Find:

• Rate = ?

Solution:

Formula to be used here:

${\boxed{\sf{\pmb{rate = \frac{si \times 100}{p \times t}}}}}$

where,

• P = Principal
• SI = Simple Interest
• T = Time

According to the question :

$\sf \: rate = \frac{72 \times 100}{300 \times 3} \\ \\ \sf \: rate = 8 \%$

Hence,rate will be 8%.

Answer 2

Answer:

use the formula

p×r×t.

____ =interest

100.