Question

a sum of money invested at 6% simple interest amount to rupees 1380 in 2 1/2 years find the sum​

Answer 1

SOLUTION

Given,

Principal= Rs.1380

Rate = 6%

Time= 2 1/2 years

S.I.= P×R×T/100

$= > \frac{1380 \times 6 \times 5}{2 \times 100} \\ \\ = > 69 \times3 =rs. 207$

hope it helps ☺️

Answer 2

$1380 = \frac{p \times 2 \times 12}{100} \\ p = 5750rs \\ compound \: intrest \\ a = 5750 (1 + \frac{12}{100} )^{2} = 7212.8 \\ intrest = 7212.8 - 5750$