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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 960 · 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.A school bag marked at ₹280 is sold for ₹196. What is the discount percent?
  2. 2.Vivaan can finish a job in 7 days and Manav in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  3. 3.Find the amount when ₹16875 is invested at 8% per year compound interest for 2 years (in ₹).
  4. 4.After a 50% discount, a school bag costs ₹1140. What was its marked price (in ₹)?
  5. 5.Marks of 4 friends in a quiz: 73, 60, 74, 57. What is their average mark?
  6. 6.A pair of shoes bought for ₹660 is sold at a loss of 40%. What is the selling price (in ₹)?
  7. 7.Find the compound interest on ₹47500 at 8% per year for 2 years, added every year (in ₹).
  8. 8.The average weight of 5 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Aditya’s batting average after 14 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 53?
  10. 10.The price of a school bag changes from ₹4020 to ₹6030. By what percent did it go up?
  11. 11.A pair of shoes is marked at ₹560. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  12. 12.In how many years will ₹14300 earn ₹3432 as simple interest at 6% per year?
  13. 13.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  14. 14.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 40 years. How old is Saanvi?
  15. 15.Marks of 6 friends in a quiz: 36, 30, 49, 48, 35, 60. What is their average mark?
  16. 16.Ananya can finish a job in 4 days and Kabir in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  17. 17.Find the compound interest on ₹625 at 20% per year for 3 years, added every year (in ₹).
  18. 18.Pooja can finish a job in 24 days and Meera in 18 days. Pooja works alone for 20 days and then stops. Meera finishes the rest. How many days does Meera take?
  19. 19.Change 40 m/s into km/h.
  20. 20.By selling a study lamp for ₹1725, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
  21. 21.By selling a pair of shoes for ₹84, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
  22. 22.Saanvi can finish a job in 2 days and Vivaan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  23. 23.The average weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Priya can finish a job in 20 days and Vivaan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  25. 25.Meera can finish a job in 16 days and Diya in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  26. 26.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Find the simple interest on ₹17100 at 8% per year for 1 year (in ₹).
  28. 28.A car runs for 2 hours at 49 km/h and then for 4 hours at 61 km/h. What is its average speed for the whole journey (in km/h)?
  29. 29.Rahul works twice as fast as Farhan. Together they finish a job in 12 days. How many days would Farhan take alone?
  30. 30.A car runs for 1 hour at 24 km/h and then for 1 hour at 20 km/h. What is its average speed for the whole journey (in km/h)?
  31. 31.After a 40% discount, a cricket bat costs ₹2004. What was its marked price (in ₹)?
  32. 32.Find the amount when ₹11000 is invested at 10% per year compound interest for 3 years (in ₹).
  33. 33.Marks of 5 friends in a quiz: 48, 40, 38, 30, 9. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 80, 81, 80, 64, 70. What is their average mark?
  35. 35.The average weight of 10 children is 43 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The simple interest on ₹10300 for 4 years is ₹6180. What is the rate of interest (% per year)?
  37. 37.A table fan bought for ₹1780 is sold at a profit of 15%. What is the selling price (in ₹)?
  38. 38.By selling a watch for ₹1190, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
  39. 39.A watch marked at ₹880 is sold for ₹792. What is the discount percent?
  40. 40.The average of 4 numbers is 36. When one more number is added, the average becomes 40. What number was added?

Answer key

  1. 30
  2. 63/16
  3. 19683
  4. 2280
  5. 66
  6. 396
  7. 7904
  8. 34
  9. 123
  10. 50
  11. 224
  12. 4
  13. 1951
  14. 8
  15. 43
  16. 10/3
  17. 455
  18. 3
  19. 144
  20. 1500
  21. 60
  22. 22/13
  23. 31
  24. 220/31
  25. 16/3
  26. 40
  27. 1368
  28. 57
  29. 36
  30. 22
  31. 3340
  32. 14641
  33. 33
  34. 75
  35. 42
  36. 15
  37. 2047
  38. 1700
  39. 10
  40. 56

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