1. A farmer borrowed 5,300 at 8% interest per annum. At the end of 2-1/2 years, he cleared his account by paying * 4,600 and a watch. Find the cost of watch.
2.Harish borrows * 2,500 at 3% per annum and ₹ 1,000 at 5% per annum interest. What interest will Harish have to pay after two years?
3. 3 years and Sunil deposited
Rohan deposited 5,000 at 8% per annum for 3
5,000 at 6% per annum for four years. Who will get more interest? What
amount will each get?
Answers
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Answer:
Principal = 5300
Rate = 8%
Time = 5/2 = 2.5 years
S.I.=
= \frac{p \times r \times t}{100} \\ = \frac{5300 \times 8 \times 2.5}{100} \\ = 53 \times 8 \times 2.5 \\ = 53 \times 20 \\ = 1060 \\
Amount = 5300 + 1060
=6360
Amount Paid= 4600
Price of watch= 6360-4600
=1760
Step-by-step explanation:Principal amount = Rs 2500
Interest per year = 3% x 2500 = 0.03 x 2500 = Rs 75
Interest for 2 years = 75 x 2 = Rs 150
Principal amount = Rs 1000
Interest per year = 5% x 1000 = 0.05 x 1000 = Rs 50
Interest for 2 years = 50 x 2 = Rs 100
Total interest = 150 + 100 = Rs 250
Answer: The total interest after 2 years is Rs 250
Rohan
5000×7×8/2×100=1400
Sunil
5000×6×4/100
1200
Rohan gets more interest than Sunil