Question

. Ravi borrowed 500 at 6% per annum.
At the end of 3 years, he paid back
an amount of * 350 and gave his radio
for the balance amount. The cost of the
radio is​

Answer 1

Step-by-step explanation:

Let the cost of radio be "x".

Principal = P = 500

Rate = R = 5% per annum

Time = T = 3 years

Amount (Money he returned back) = Simple Interest + Principal = SI + P = Rs 350 + Cost of Radio

Now,

$si \: = \frac{p \times r \times t}{100} \\ = \frac{rs \: 500 \times 6 \times 3}{100} \\ = rs \: 5 \times 6 \times 3 = rs \: 90$

So, Simple Interest = Rs 90

Amount = SI + P = Rs 500 + Rs 90 = Rs 590

Amount = Cost of Radio + Rs 350

Rs 590 = Cost of Radio + Rs 350 (By Transposition)

Cost of Radio = Rs 590 - Rs 350 = Rs 240

Hence, cost of radio is Rs 240.

Formula Used :

$SI = \frac{PRT}{100}$

Answer 2

Answer:

l = 500 x 3 x 6 whole by 100

= Rs. 90

AMOUNT = P + I

= 500+90

=Rs.590

THE PRICE OF THE RADIO= 590-350= 240

= Rs. 240