Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 724 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.Find the compound interest on ₹18125 at 8% per year for 2 years, added every year (in ₹).
2. 2.The price of a school bag changes from ₹3160 to ₹2370. By what percent did it come down?
3. 3.Find the amount when ₹6125 is invested at 20% per year compound interest for 3 years (in ₹).
4. 4.Find the amount when ₹25000 is invested at 8% per year compound interest for 2 years (in ₹).
5. 5.Change 30 m/s into km/h.
6. 6.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
7. 7.In how many years will ₹6000 earn ₹2400 as simple interest at 8% per year?
8. 8.Find the amount when ₹8125 is invested at 4% per year compound interest for 2 years (in ₹).
9. 9.Nisha’s father is five times as old as Nisha. The sum of their ages is 48 years. How old is Nisha?
10. 10.Aarav’s father is twice as old as Aarav. The sum of their ages is 39 years. How old is Aarav?
11. 11.Marks of 5 friends in a quiz: 29, 34, 46, 58, 48. What is their average mark?
12. 12.A bus runs at 48 km/h. How far does it go in 30 minutes (in km)?
13. 13.In how many years will ₹16600 earn ₹9960 as simple interest at 12% per year?
14. 14.In 30 years, Karan will be three times as old as Karan was 2 years ago. How old is Karan now?
15. 15.By selling a school bag for ₹731, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
16. 16.A shopkeeper buys a table fan for ₹1200 and sells it for ₹840. Find the loss percent.
17. 17.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
18. 18.The simple interest on ₹18400 for 3 years is ₹8280. What is the rate of interest (% per year)?
19. 19.A shopkeeper buys a watch for ₹1600 and sells it for ₹1360. Find the loss percent.
20. 20.The price of a bicycle is ₹940. It goes up by 5%. What is the new price (in ₹)?
21. 21.After a 10% discount, a table fan costs ₹3492. What was its marked price (in ₹)?
22. 22.A water tank holds 4320 litres. 10% of the water is used. How many litres are left?
23. 23.The price of a school bag changes from ₹3780 to ₹2835. By what percent did it come down?
24. 24.A shopkeeper buys a school bag for ₹1300 and sells it for ₹1625. Find the profit percent.
25. 25.Find the amount when ₹2100 is invested at 10% per year compound interest for 2 years (in ₹).
26. 26.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
27. 27.What sum of money earns ₹2730 simple interest in 5 years at 3% per year (in ₹)?
28. 28.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
29. 29.Saanvi and Manav together finish a job in 10 days. Saanvi alone takes 12 days. How many days would Manav take alone?
30. 30.Kabir cycles to his school at 40 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
31. 31.A pair of shoes bought for ₹80 is sold at a loss of 10%. What is the selling price (in ₹)?
32. 32.Find the compound interest on ₹18800 at 5% per year for 2 years, added every year (in ₹).
33. 33.A watch is marked at ₹2380. The shop gives a 10% discount. How much do you pay (in ₹)?
34. 34.After a 25% discount, a study lamp costs ₹2250. What was its marked price (in ₹)?
35. 35.What sum of money earns ₹6528 simple interest in 4 years at 12% per year (in ₹)?
36. 36.A bus runs at 56 km/h. How far does it go in 15 minutes (in km)?
37. 37.Farhan is 3 years older than Tara. In 10 years, the sum of their ages will be 73. How old is Tara now?
38. 38.A bicycle bought for ₹1000 is sold at a loss of 20%. What is the selling price (in ₹)?
39. 39.A watch bought for ₹1340 is sold at a profit of 5%. What is the selling price (in ₹)?
40. 40.After a 50% discount, a school bag costs ₹1340. What was its marked price (in ₹)?

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