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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 897 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.Find the compound interest on ₹49200 at 15% per year for 2 years, added every year (in ₹).
  2. 2.A price comes down by 20% and then comes down by 5% more. By what percent has it come down in all? =
  3. 3.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
  4. 4.The price of a school bag changes from ₹4480 to ₹3584. By what percent did it come down?
  5. 5.By selling a cricket bat for ₹1274, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
  6. 6.Rohan’s father is four times as old as Rohan. The sum of their ages is 55 years. How old is Rohan?
  7. 7.What sum of money earns ₹552 simple interest in 1 year at 12% per year (in ₹)?
  8. 8.In how many years will ₹6000 earn ₹2700 as simple interest at 9% per year?
  9. 9.How many minutes does a car take to go 15 km at 30 km/h?
  10. 10.Tara can finish a job in 7 days and Dev in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  11. 11.Change 36 km/h into metres per second.
  12. 12.The simple interest on ₹1000 for 3 years is ₹360. What is the rate of interest (% per year)?
  13. 13.Change 72 km/h into metres per second.
  14. 14.A cricket bat bought for ₹100 is sold at a profit of 10%. What is the selling price (in ₹)?
  15. 15.In how many years will ₹1300 earn ₹104 as simple interest at 4% per year?
  16. 16.A pressure cooker bought for ₹1640 is sold at a loss of 5%. What is the selling price (in ₹)?
  17. 17.In how many years will ₹19200 earn ₹6912 as simple interest at 9% per year?
  18. 18.After a 25% discount, a school bag costs ₹3390. What was its marked price (in ₹)?
  19. 19.A study lamp marked at ₹4440 is sold for ₹4218. What is the discount percent?
  20. 20.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
  21. 21.The simple interest on ₹8400 for 2 years is ₹1176. What is the rate of interest (% per year)?
  22. 22.In how many years will ₹8700 earn ₹1566 as simple interest at 9% per year?
  23. 23.A water tank holds 1340 litres. 30% of the water is used. How many litres are left?
  24. 24.A bicycle marked at ₹3140 is sold for ₹2198. What is the discount percent?
  25. 25.A car runs for 3 hours at 32 km/h and then for 1 hour at 72 km/h. What is its average speed for the whole journey (in km/h)?
  26. 26.The price of a bicycle is ₹1960. It goes up by 5%. What is the new price (in ₹)?
  27. 27.A bicycle marked at ₹3800 is sold for ₹1900. What is the discount percent?
  28. 28.Find the compound interest on ₹48750 at 8% per year for 2 years, added every year (in ₹).
  29. 29.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
  30. 30.A bus runs at 60 km/h. How far does it go in 15 minutes (in km)?
  31. 31.What sum of money earns ₹1872 simple interest in 2 years at 13% per year (in ₹)?
  32. 32.A shopkeeper buys a pressure cooker for ₹460 and sells it for ₹690. Find the profit percent.
  33. 33.What is the difference between the compound interest and the simple interest on ₹48400 at 10% per year for 2 years (in ₹)?
  34. 34.A shopkeeper buys a study lamp for ₹80 and sells it for ₹40. Find the loss percent.
  35. 35.4 years ago, Dev’s mother was twice as old as Dev. The mother is 22 years old now. How old is Dev now?
  36. 36.The price of a school bag changes from ₹3180 to ₹4770. By what percent did it go up?
  37. 37.In 28 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
  38. 38.After a 20% discount, a pressure cooker costs ₹2832. What was its marked price (in ₹)?
  39. 39.A shopkeeper buys a pair of shoes for ₹1540 and sells it for ₹1694. Find the profit percent.
  40. 40.How many minutes does a car take to go 41 km at 41 km/h?

Answer key

  1. 15867
  2. 24
  3. 43904
  4. 20
  5. 1820
  6. 11
  7. 4600
  8. 5
  9. 30
  10. 105/22
  11. 10
  12. 12
  13. 20
  14. 110
  15. 2
  16. 1558
  17. 4
  18. 4520
  19. 5
  20. 23.5
  21. 7
  22. 2
  23. 938
  24. 30
  25. 42
  26. 2058
  27. 50
  28. 8112
  29. 192
  30. 15
  31. 7200
  32. 50
  33. 484
  34. 50
  35. 13
  36. 50
  37. 40
  38. 3540
  39. 10
  40. 60

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