Find the rate of interest when ₹ 800 fetches rupees 130 as simple interest in 2 year 6 month
Answers
Find the simple interest on Rs 8600 from 18th October, 2006 to13th March, 2007 at 8% per annum. Also, find the amount.
Ans.
Period 18th Oct. 2006 to 13th March 2007= (13 + 30 + 31 + 31 + 28 + 13) days= 146 days
14623655
= =
yearsNow, Simple interest =
P×R×T100
= Rs 8600821005
× ×=×
Rs13765= Rs 275.20Hence, amount = P + S. I. = Rs 8600 + Rs 275.20 = Rs 8875.20
2.
Ashish lent Rs 10500 to Sunidhi at 7% per annum simple interest.After 5 years, Sunidhi discharged the debt by giving a watch andRs 13000 in cash. What is the value of the watch ?
Ans.
P = 10500,
R = 7% p.a., T = 5 yearsNow,S.I.=
P×R×T100
S. I.= 1050075100
× ×
= Rs 3675
∴
Amount = P + S. I. = Rs 10500 + Rs 3675 = Rs 14175Amount given in cash = Rs13000Thus, balance to be paid = Rs 14175 – 13000 = Rs 1175Hence, value of watch = Rs 117