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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 237 · 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.What sum of money earns ₹132 simple interest in 1 year at 6% per year (in ₹)?
  2. 2.A cricket bat bought for ₹480 is sold at a loss of 25%. What is the selling price (in ₹)?
  3. 3.Marks of 4 friends in a quiz: 52, 59, 60, 49. What is their average mark?
  4. 4.A table fan is marked at ₹1020. The shop gives a 5% discount. How much do you pay (in ₹)?
  5. 5.Marks of 4 friends in a quiz: 57, 58, 40, 17. What is their average mark?
  6. 6.A price goes up by 10% and then comes down by 5%. By what percent has it gone up in all? =
  7. 7.Marks of 6 friends in a quiz: 52, 48, 67, 73, 47, 67. What is their average mark?
  8. 8.A bus runs at 68 km/h. How far does it go in 45 minutes (in km)?
  9. 9.What sum of money earns ₹2172 simple interest in 2 years at 6% per year (in ₹)?
  10. 10.Find the amount when ₹13125 is invested at 12% per year compound interest for 2 years (in ₹).
  11. 11.In 30 years, Diya will be three times as old as Diya was 4 years ago. How old is Diya now?
  12. 12.Find the compound interest on ₹45600 at 10% per year for 2 years, added every year (in ₹).
  13. 13.The price of a bicycle is ₹4500. It goes up by 25%. What is the new price (in ₹)?
  14. 14.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shopkeeper buys a school bag for ₹1460 and sells it for ₹876. Find the loss percent.
  16. 16.How many minutes does a car take to go 26 km at 40 km/h?
  17. 17.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
  18. 18.The simple interest on ₹2100 for 5 years is ₹840. What is the rate of interest (% per year)?
  19. 19.The simple interest on ₹1300 for 3 years is ₹507. What is the rate of interest (% per year)?
  20. 20.Diya puts ₹8400 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
  21. 21.The average of 7 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  22. 22.A water tank holds 4800 litres. 5% of the water is used. How many litres are left?
  23. 23.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Diya puts ₹2600 in a bank at 7% simple interest per year. How much will she have after 5 years (in ₹)?
  25. 25.A cricket bat marked at ₹4660 is sold for ₹3728. What is the discount percent?
  26. 26.The price of a school bag changes from ₹4740 to ₹6162. By what percent did it go up?
  27. 27.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
  28. 28.Change 5 m/s into km/h.
  29. 29.Find the simple interest on ₹8200 at 4% per year for 3 years (in ₹).
  30. 30.A cricket bat is marked at ₹415. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  31. 31.A water tank holds 720 litres. 40% of the water is used. How many litres are left?
  32. 32.A study lamp is marked at ₹1500. The shop gives a 5% discount. How much do you pay (in ₹)?
  33. 33.Saanvi’s batting average after 9 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 48?
  34. 34.A shopkeeper buys a school bag for ₹1440 and sells it for ₹1584. Find the profit percent.
  35. 35.In how many years will ₹12400 earn ₹248 as simple interest at 2% per year?
  36. 36.Find the simple interest on ₹19300 at 7% per year for 2 years (in ₹).
  37. 37.The average of 5 numbers is 54. When one more number is added, the average becomes 55. What number was added?
  38. 38.In how many years will ₹17800 earn ₹712 as simple interest at 4% per year?
  39. 39.In 23 years, Farhan will be twice as old as Farhan was 4 years ago. How old is Farhan now?
  40. 40.Find the compound interest on ₹48800 at 15% per year for 2 years, added every year (in ₹).

Answer key

  1. 2200
  2. 360
  3. 55
  4. 969
  5. 43
  6. 4.5
  7. 59
  8. 51
  9. 18100
  10. 16464
  11. 21
  12. 9576
  13. 5625
  14. 30
  15. 40
  16. 39
  17. 12
  18. 8
  19. 13
  20. 9408
  21. 41
  22. 4560
  23. 30
  24. 3510
  25. 20
  26. 30
  27. 55
  28. 18
  29. 984
  30. 166
  31. 432
  32. 1425
  33. 57
  34. 10
  35. 1
  36. 2702
  37. 60
  38. 1
  39. 31
  40. 15738

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