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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 401 · 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.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
  2. 2.A town has 4120 people. Its population grows by 15%. How many people live there now?
  3. 3.A study lamp is marked at ₹260. The shop gives a 50% discount. How much do you pay (in ₹)?
  4. 4.Find the amount when ₹42800 is invested at 15% per year compound interest for 2 years (in ₹).
  5. 5.The price of a school bag changes from ₹4180 to ₹3553. By what percent did it come down?
  6. 6.The price of a school bag changes from ₹4100 to ₹5330. By what percent did it go up?
  7. 7.Arjun’s batting average after 9 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  8. 8.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
  9. 9.Farhan’s father is five times as old as Farhan. The sum of their ages is 78 years. How old is the father?
  10. 10.By selling a table fan for ₹1936, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
  11. 11.After a 40% discount, a watch costs ₹1620. What was its marked price (in ₹)?
  12. 12.The price of a bicycle is ₹3800. It goes up by 30%. What is the new price (in ₹)?
  13. 13.A shopkeeper buys a cricket bat for ₹1040 and sells it for ₹988. Find the loss percent.
  14. 14.The price of a bicycle is ₹520. It goes up by 20%. What is the new price (in ₹)?
  15. 15.Marks of 4 friends in a quiz: 48, 50, 40, 78. What is their average mark?
  16. 16.A watch is marked at ₹2860. The shop gives a 30% discount. How much do you pay (in ₹)?
  17. 17.Aarav can finish a job in 6 days and Rohan in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  18. 18.A bicycle marked at ₹1560 is sold for ₹1482. What is the discount percent?
  19. 19.The average of 6 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  20. 20.The price of a bicycle is ₹3080. It goes up by 20%. What is the new price (in ₹)?
  21. 21.By selling a pressure cooker for ₹168, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
  22. 22.A shop sells 220 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  23. 23.Nisha can finish a job in 16 days and Manav in 24 days. Nisha works alone for 2 days and then stops. Manav finishes the rest. How many days does Manav take?
  24. 24.In 24 years, Rohan will be twice as old as Rohan was 4 years ago. How old is Rohan now?
  25. 25.How many minutes does a car take to go 144 km at 64 km/h?
  26. 26.Sneha is 9 years older than Vivaan. In 7 years, the sum of their ages will be 59. How old is Vivaan now?
  27. 27.A bus runs at 58 km/h. How far does it go in 30 minutes (in km)?
  28. 28.A school bag bought for ₹1800 is sold at a loss of 50%. What is the selling price (in ₹)?
  29. 29.A school bag bought for ₹1580 is sold at a loss of 30%. What is the selling price (in ₹)?
  30. 30.Change 36 km/h into metres per second.
  31. 31.A pressure cooker marked at ₹1180 is sold for ₹708. What is the discount percent?
  32. 32.The price of a school bag changes from ₹3260 to ₹4890. By what percent did it go up?
  33. 33.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  34. 34.Marks of 4 friends in a quiz: 76, 70, 58, 76. What is their average mark?
  35. 35.Change 5 m/s into km/h.
  36. 36.A watch is marked at ₹720. The shop gives a 30% discount. How much do you pay (in ₹)?
  37. 37.Change 35 m/s into km/h.
  38. 38.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
  39. 39.A shopkeeper buys a bicycle for ₹800 and sells it for ₹400. Find the loss percent.
  40. 40.By selling a pair of shoes for ₹476, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?

Answer key

  1. 40
  2. 4738
  3. 130
  4. 56603
  5. 15
  6. 30
  7. 34
  8. 4058
  9. 65
  10. 1760
  11. 2700
  12. 4940
  13. 5
  14. 624
  15. 54
  16. 2002
  17. 18/5
  18. 5
  19. 90
  20. 3696
  21. 120
  22. 275
  23. 21
  24. 32
  25. 135
  26. 18
  27. 29
  28. 900
  29. 1106
  30. 10
  31. 40
  32. 50
  33. 28
  34. 70
  35. 18
  36. 504
  37. 126
  38. 19
  39. 50
  40. 340

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