Question

Plz give solutions to all of these questions
Q5Angad has ₹ 22500 more than Anwar. If this amount is 9% of Anwar’s wealth, calculate
Angad’s wealth.
Q6. Two shopkeepers marked an article for ₹100.One of them offers two successive discounts of
10% each whereas the other shopkeeper offers a single discount of 20% .Which deal is more
favourable to a customer?
Q7. A car depreciates @10% p.a. What was its purchase price if the value after 3 years is
₹145000?
Q8. Find the sum of money which will amount to ₹17576 in 3 years at 4% p.a. when interest is
compounded annually.
Q9. Calculate Amount and Compound Interest when
i) Sum borrowed=₹ 11500, time=1½ year, rate=8% p.a (compounded half yearly)
ii) A sum of ₹ 54000 is invested for 2 years and 3 months at 9½% per annum compounded
annually.
iii)Rajat invested ₹ 9000 at an interest of 10% p.a compounded quarterly for 6 months.
iv) A sum of ₹ 20000 is borrowed at the rate of 5% for 1st year, 10% for the 2nd year and 20% for
the 3rd year.
Q10. Population of a village in 2012 was 25000.If the population increases at the rate of 2% per
year, find
i) What will be its population in the year 2015?
ii) What was the population in the year 2010?

Answer 1

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