Question

Find the sum which will earn a simple interest of ₹2640 in 3 years at 7 1/3% rate of interest per annum

Answer 1

Step-by-step explanation:

let principal be X

simple interest=p×r×t/100

2640= X×71×3/100×3

= X×71/100

2640×100/71 = X

3718.30=X

Answer 2

Step-by-step explanation:

Find the sum which will earn a simple interest of ₹2640 in 3 years at 7 1/3% rate of interest per annum.

We know

SI= (PxRxT)/100

So,

2640= (Px22/3x3)/100

2640=Px22/100

2640x100/22 =P

12000=P

Thus, wanted sum is 12000.

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