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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 209 · 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.Change 54 km/h into metres per second.
  2. 2.Find the simple interest on ₹19300 at 11% per year for 2 years (in ₹).
  3. 3.A shopkeeper buys a watch for ₹360 and sells it for ₹324. Find the loss percent.
  4. 4.Find the amount when ₹40880 is invested at 25% per year compound interest for 2 years (in ₹).
  5. 5.Find the compound interest on ₹30625 at 4% per year for 2 years, added every year (in ₹).
  6. 6.The price of a school bag changes from ₹4600 to ₹2300. By what percent did it come down?
  7. 7.A school bag bought for ₹660 is sold at a profit of 10%. What is the selling price (in ₹)?
  8. 8.A study lamp bought for ₹1820 is sold at a loss of 15%. What is the selling price (in ₹)?
  9. 9.Find the simple interest on ₹12300 at 8% per year for 2 years (in ₹).
  10. 10.The simple interest on ₹18100 for 4 years is ₹9412. What is the rate of interest (% per year)?
  11. 11.A shop sells 300 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
  12. 12.In 27 years, Vivaan will be twice as old as Vivaan was 2 years ago. How old is Vivaan now?
  13. 13.A table fan bought for ₹880 is sold at a loss of 25%. What is the selling price (in ₹)?
  14. 14.A shopkeeper buys a table fan for ₹120 and sells it for ₹126. Find the profit percent.
  15. 15.A car runs for 1 hour at 50 km/h and then for 1 hour at 38 km/h. What is its average speed for the whole journey (in km/h)?
  16. 16.Tara’s batting average after 9 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 38?
  17. 17.In 9 years, Kabir will be twice as old as Kabir was 4 years ago. How old is Kabir now?
  18. 18.A shopkeeper buys a school bag for ₹1340 and sells it for ₹1742. Find the profit percent.
  19. 19.A study lamp bought for ₹360 is sold at a loss of 40%. What is the selling price (in ₹)?
  20. 20.How many minutes does a car take to go 110 km at 40 km/h?
  21. 21.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
  22. 22.Marks of 4 friends in a quiz: 28, 25, 32, 15. What is their average mark?
  23. 23.A price comes down by 30% and then comes down by 20% more. By what percent has it come down in all? =
  24. 24.The price of a school bag changes from ₹2700 to ₹2025. By what percent did it come down?
  25. 25.Change 35 m/s into km/h.
  26. 26.A water tank holds 280 litres. 30% of the water is used. How many litres are left?
  27. 27.Marks of 5 friends in a quiz: 73, 83, 83, 80, 51. What is their average mark?
  28. 28.Vivaan works twice as fast as Tara. Together they finish a job in 7 days. How many days would Tara take alone?
  29. 29.A price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
  30. 30.Find the amount when ₹13600 is invested at 5% per year compound interest for 2 years (in ₹).
  31. 31.The average weight of 8 children is 44 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A pair of shoes is marked at ₹880. The shop gives a 15% discount. How much do you pay (in ₹)?
  33. 33.A table fan bought for ₹500 is sold at a profit of 20%. What is the selling price (in ₹)?
  34. 34.Change 15 m/s into km/h.
  35. 35.By selling a school bag for ₹102, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
  36. 36.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
  37. 37.In 19 years, Manav will be twice as old as Manav was 3 years ago. How old is Manav now?
  38. 38.In how many years will ₹2900 earn ₹232 as simple interest at 4% per year?
  39. 39.A water tank holds 3920 litres. 5% of the water is used. How many litres are left?
  40. 40.The average weight of 8 children is 36 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 15
  2. 4246
  3. 10
  4. 63875
  5. 2499
  6. 50
  7. 726
  8. 1547
  9. 1968
  10. 13
  11. 330
  12. 31
  13. 660
  14. 5
  15. 44
  16. 47
  17. 17
  18. 30
  19. 216
  20. 165
  21. 43.75
  22. 25
  23. 44
  24. 25
  25. 126
  26. 196
  27. 74
  28. 21
  29. 32
  30. 14994
  31. 41
  32. 748
  33. 600
  34. 54
  35. 120
  36. 23.5
  37. 25
  38. 2
  39. 3724
  40. 33

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