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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 197 · 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.Kavya can finish a job in 8 days and Arjun in 20 days. Kavya works alone for 2 days and then stops. Arjun finishes the rest. How many days does Arjun take?
  2. 2.How many minutes does a car take to go 138 km at 36 km/h?
  3. 3.How many minutes does a car take to go 105 km at 30 km/h?
  4. 4.A school bag is marked at ₹504. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  5. 5.A water tank holds 240 litres. 10% of the water is used. How many litres are left?
  6. 6.A water tank holds 300 litres. 20% of the water is used. How many litres are left?
  7. 7.The simple interest on ₹2300 for 2 years is ₹690. What is the rate of interest (% per year)?
  8. 8.Pooja is 4 years older than Nisha. In 4 years, the sum of their ages will be 60. How old is Nisha now?
  9. 9.A shopkeeper buys a watch for ₹900 and sells it for ₹450. Find the loss percent.
  10. 10.Find the simple interest on ₹10800 at 2% per year for 1 year (in ₹).
  11. 11.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
  12. 12.A bicycle bought for ₹340 is sold at a loss of 10%. What is the selling price (in ₹)?
  13. 13.By selling a watch for ₹1008, a shopkeeper makes a loss of 10%. What did the watch cost the shopkeeper (in ₹)?
  14. 14.Change 18 km/h into metres per second.
  15. 15.Find the compound interest on ₹25900 at 10% per year for 2 years, added every year (in ₹).
  16. 16.Find the compound interest on ₹15750 at 20% per year for 3 years, added every year (in ₹).
  17. 17.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
  18. 18.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 70, 67, 71, 56. What is their average mark?
  20. 20.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
  21. 21.Find the amount when ₹45600 is invested at 5% per year compound interest for 2 years (in ₹).
  22. 22.A price comes down by 50% and then comes down by 40% more. By what percent has it come down in all? =
  23. 23.Kabir cycles to his school at 22 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
  24. 24.How many minutes does a car take to go 116 km at 48 km/h?
  25. 25.Change 15 m/s into km/h.
  26. 26.A car runs for 2 hours at 77 km/h and then for 4 hours at 32 km/h. What is its average speed for the whole journey (in km/h)?
  27. 27.After a 15% discount, a school bag costs ₹680. What was its marked price (in ₹)?
  28. 28.A bus runs at 72 km/h. How far does it go in 90 minutes (in km)?
  29. 29.The price of a school bag changes from ₹3740 to ₹2992. By what percent did it come down?
  30. 30.The average of 7 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  31. 31.What is the difference between the compound interest and the simple interest on ₹13400 at 10% per year for 2 years (in ₹)?
  32. 32.A shopkeeper buys a watch for ₹460 and sells it for ₹414. Find the loss percent.
  33. 33.Find the amount when ₹37500 is invested at 8% per year compound interest for 2 years (in ₹).
  34. 34.What is the difference between the compound interest and the simple interest on ₹1200 at 5% per year for 2 years (in ₹)?
  35. 35.A pair of shoes is marked at ₹160. The shop gives a 10% discount. How much do you pay (in ₹)?
  36. 36.What sum of money earns ₹810 simple interest in 1 year at 5% per year (in ₹)?
  37. 37.Find the compound interest on ₹26300 at 10% per year for 2 years, added every year (in ₹).
  38. 38.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
  39. 39.Isha is 10 years older than Saanvi. In 2 years, the sum of their ages will be 32. How old is Saanvi now?
  40. 40.Change 5 m/s into km/h.

Answer key

  1. 15
  2. 230
  3. 210
  4. 189
  5. 216
  6. 240
  7. 15
  8. 24
  9. 50
  10. 216
  11. 48
  12. 306
  13. 1120
  14. 5
  15. 5439
  16. 11466
  17. 36.5
  18. 34
  19. 66
  20. 18981
  21. 50274
  22. 70
  23. 33
  24. 145
  25. 54
  26. 47
  27. 800
  28. 108
  29. 20
  30. 60
  31. 134
  32. 10
  33. 43740
  34. 3
  35. 144
  36. 16200
  37. 5523
  38. 28
  39. 9
  40. 18

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