10. Raju borrowed * 5500 from a friend. He paid back 3000 at the end of 1 year and the
1
1
remaining amount after 2 years at 5% p.a. Calculate the amount after 2
years. If
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2
1
he pays the whole amount after 3 years at 7% p.a., how much more does he need to
2
pay?
invested 7000 at 5% na. At what rate of
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Step-by-step explanation:
simple interest= p×r×t/100
5500×3000×1/100
165000
amount=p(1+r/100) time
5500(1+2/5)5
55×10
550/5×100
110
amount=p(1+r/100) time
5500(1+7/100)3
55×21
1155
rate= I×100/ p× t
7000×100/5500×5
7000/275
25.45454545
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