Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 497 · 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.A price comes down by 50% and then comes down by 40% more. By what percent has it come down in all? =
2. 2.Change 35 m/s into km/h.
3. 3.Diya puts ₹5200 in a bank at 8% simple interest per year. How much will she have after 3 years (in ₹)?
4. 4.Change 10 m/s into km/h.
5. 5.How many minutes does a car take to go 138 km at 40 km/h?
6. 6.By selling a table fan for ₹848, a shopkeeper makes a loss of 20%. What did the table fan cost the shopkeeper (in ₹)?
7. 7.Find the amount when ₹42600 is invested at 10% per year compound interest for 2 years (in ₹).
8. 8.What sum of money earns ₹1617 simple interest in 3 years at 11% per year (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹47500 at 4% per year for 2 years (in ₹)?
10. 10.Ananya’s father is five times as old as Ananya. The sum of their ages is 30 years. How old is the father?
11. 11.Find the simple interest on ₹7600 at 12% per year for 4 years (in ₹).
12. 12.Change 90 km/h into metres per second.
13. 13.Kabir cycles to his school at 84 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.A pressure cooker bought for ₹540 is sold at a profit of 30%. What is the selling price (in ₹)?
15. 15.After a 15% discount, a bicycle costs ₹2907. What was its marked price (in ₹)?
16. 16.Saanvi can finish a job in 13 days and Ananya in 10 days. What fraction of the job do they finish if they work together for 2 days? =
17. 17.A price comes down by 10% and then comes down by 5% more. By what percent has it come down in all? =
18. 18.By selling a bicycle for ₹196, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
19. 19.Find the compound interest on ₹23125 at 12% per year for 2 years, added every year (in ₹).
20. 20.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
21. 21.The average of 9 numbers is 45. When one more number is added, the average becomes 48. What number was added?
22. 22.A watch marked at ₹280 is sold for ₹168. What is the discount percent?
23. 23.A watch is marked at ₹460. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
24. 24.By selling a cricket bat for ₹646, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Kabir is 10 years older than Karan. In 6 years, the sum of their ages will be 44. How old is Karan now?
26. 26.A bicycle is marked at ₹400. The shop gives a 5% discount. How much do you pay (in ₹)?
27. 27.A water tank holds 920 litres. 10% of the water is used. How many litres are left?
28. 28.2 years ago, Manav’s mother was four times as old as Manav. The mother is 42 years old now. How old is Manav now?
29. 29.Find the amount when ₹9125 is invested at 20% per year compound interest for 3 years (in ₹).
30. 30.A school bag marked at ₹1560 is sold for ₹1482. What is the discount percent?
31. 31.In how many years will ₹11800 earn ₹2360 as simple interest at 10% per year?
32. 32.A cricket bat marked at ₹4360 is sold for ₹4142. What is the discount percent?
33. 33.A price goes up by 25% and then goes up by 40% more. By what percent has it gone up in all? =
34. 34.Tara’s father is twice as old as Tara. The sum of their ages is 18 years. How old is Tara?
35. 35.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
36. 36.What is the difference between the compound interest and the simple interest on ₹800 at 20% per year for 2 years (in ₹)?
37. 37.A study lamp marked at ₹2520 is sold for ₹2142. What is the discount percent?
38. 38.The price of a school bag changes from ₹420 to ₹630. By what percent did it go up?
39. 39.Find the simple interest on ₹600 at 15% per year for 2 years (in ₹).
40. 40.A pressure cooker bought for ₹1600 is sold at a profit of 10%. What is the selling price (in ₹)?

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