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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 508 · 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.The price of a bicycle is ₹4760. It goes up by 10%. What is the new price (in ₹)?
  2. 2.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
  3. 3.Find the amount when ₹44200 is invested at 10% per year compound interest for 2 years (in ₹).
  4. 4.The price of a bicycle is ₹4480. It goes up by 20%. What is the new price (in ₹)?
  5. 5.Karan and Tara together finish a job in 10 days. Karan alone takes 15 days. How many days would Tara take alone?
  6. 6.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  7. 7.The simple interest on ₹13700 for 1 year is ₹1370. What is the rate of interest (% per year)?
  8. 8.The price of a school bag changes from ₹4860 to ₹4617. By what percent did it come down?
  9. 9.Aditya can finish a job in 13 days and Dev in 14 days. What fraction of the job do they finish if they work together for 2 days? =
  10. 10.Tara can finish a job in 16 days and Vivaan in 18 days. What fraction of the job do they finish if they work together for 3 days? =
  11. 11.The average of 7 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  12. 12.Farhan works three times as fast as Kavya. Together they finish a job in 9 days. How many days would Kavya take alone?
  13. 13.4 years ago, Pooja’s mother was twice as old as Pooja. The mother is 14 years old now. How old is Pooja now?
  14. 14.A bicycle bought for ₹1400 is sold at a loss of 15%. What is the selling price (in ₹)?
  15. 15.A shopkeeper buys a school bag for ₹1160 and sells it for ₹1218. Find the profit percent.
  16. 16.A watch marked at ₹4160 is sold for ₹3328. What is the discount percent?
  17. 17.Kabir cycles to his school at 20 km/h and comes back by the same road at 80 km/h. What is his average speed for the whole trip (in km/h)?
  18. 18.After a 50% discount, a cricket bat costs ₹400. What was its marked price (in ₹)?
  19. 19.Find the compound interest on ₹3750 at 4% per year for 2 years, added every year (in ₹).
  20. 20.After a 25% discount, a pair of shoes costs ₹2565. What was its marked price (in ₹)?
  21. 21.Find the amount when ₹49600 is invested at 15% per year compound interest for 2 years (in ₹).
  22. 22.Find the simple interest on ₹8100 at 2% per year for 1 year (in ₹).
  23. 23.How many minutes does a car take to go 126 km at 35 km/h?
  24. 24.After a 15% discount, a study lamp costs ₹578. What was its marked price (in ₹)?
  25. 25.A price comes down by 40% and then comes down by 30% more. By what percent has it come down in all? =
  26. 26.A shopkeeper buys a watch for ₹560 and sells it for ₹672. Find the profit percent.
  27. 27.Change 36 km/h into metres per second.
  28. 28.Nisha’s father is twice as old as Nisha. The sum of their ages is 39 years. How old is Nisha?
  29. 29.What is the difference between the compound interest and the simple interest on ₹18400 at 5% per year for 2 years (in ₹)?
  30. 30.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.What is the difference between the compound interest and the simple interest on ₹3000 at 10% per year for 2 years (in ₹)?
  32. 32.The average of 7 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  33. 33.The price of a bicycle is ₹2620. It goes up by 15%. What is the new price (in ₹)?
  34. 34.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  35. 35.Change 30 m/s into km/h.
  36. 36.The price of a school bag changes from ₹3300 to ₹1980. By what percent did it come down?
  37. 37.A watch is marked at ₹1240. The shop gives a 10% discount. How much do you pay (in ₹)?
  38. 38.The price of a school bag changes from ₹1520 to ₹1140. By what percent did it come down?
  39. 39.The average weight of 8 children is 37 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.What is the difference between the compound interest and the simple interest on ₹36800 at 5% per year for 2 years (in ₹)?

Answer key

  1. 5236
  2. 60
  3. 53482
  4. 5376
  5. 30
  6. 19683
  7. 10
  8. 5
  9. 27/91
  10. 17/48
  11. 35
  12. 36
  13. 9
  14. 1190
  15. 5
  16. 20
  17. 32
  18. 800
  19. 306
  20. 3420
  21. 65596
  22. 162
  23. 216
  24. 680
  25. 58
  26. 20
  27. 10
  28. 13
  29. 46
  30. 45
  31. 30
  32. 71
  33. 3013
  34. 37044
  35. 108
  36. 40
  37. 1116
  38. 25
  39. 34
  40. 92

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