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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 113 · 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.

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  1. 1.A shop sells an average of 35 kg of sugar a day for 6 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.Find the compound interest on ₹4736 at 25% per year for 3 years, added every year (in ₹).
  3. 3.A school bag bought for ₹1820 is sold at a loss of 15%. What is the selling price (in ₹)?
  4. 4.Change 36 km/h into metres per second.
  5. 5.Nisha and Meera together finish a job in 2 days. Nisha alone takes 6 days. How many days would Meera take alone?
  6. 6.A shop sells an average of 30 kg of sugar a day for 2 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.In 1 years, Priya will be twice as old as Priya was 6 years ago. How old is Priya now?
  8. 8.Change 30 m/s into km/h.
  9. 9.A town has 3820 people. Its population grows by 25%. How many people live there now?
  10. 10.Find the simple interest on ₹16000 at 10% per year for 4 years (in ₹).
  11. 11.Marks of 4 friends in a quiz: 71, 64, 52, 41. What is their average mark?
  12. 12.A table fan marked at ₹1960 is sold for ₹1764. What is the discount percent?
  13. 13.Kabir cycles to his school at 40 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
  14. 14.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Priya and Tara together finish a job in 2 days. Priya alone takes 3 days. How many days would Tara take alone?
  16. 16.After a 15% discount, a table fan costs ₹1785. What was its marked price (in ₹)?
  17. 17.Kabir cycles to his school at 28 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
  18. 18.A table fan bought for ₹580 is sold at a loss of 30%. What is the selling price (in ₹)?
  19. 19.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
  20. 20.The price of a school bag changes from ₹1720 to ₹2236. By what percent did it go up?
  21. 21.The average of 5 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  22. 22.A shopkeeper buys a study lamp for ₹1160 and sells it for ₹1450. Find the profit percent.
  23. 23.Pooja’s batting average after 8 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 22?
  24. 24.Find the compound interest on ₹14400 at 10% per year for 2 years, added every year (in ₹).
  25. 25.By selling a school bag for ₹765, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
  26. 26.Diya puts ₹16600 in a bank at 3% simple interest per year. How much will she have after 2 years (in ₹)?
  27. 27.A price comes down by 40% and then comes down by 15% more. By what percent has it come down in all? =
  28. 28.5 years ago, Diya’s mother was twice as old as Diya. The mother is 15 years old now. How old is Diya now?
  29. 29.In how many years will ₹16600 earn ₹1660 as simple interest at 2% per year?
  30. 30.Find the amount when ₹21250 is invested at 4% per year compound interest for 2 years (in ₹).
  31. 31.Find the simple interest on ₹12900 at 13% per year for 2 years (in ₹).
  32. 32.Rohan works twice as fast as Meera. Together they finish a job in 11 days. How many days would Meera take alone?
  33. 33.A water tank holds 3960 litres. 5% of the water is used. How many litres are left?
  34. 34.A cricket bat bought for ₹920 is sold at a profit of 10%. What is the selling price (in ₹)?
  35. 35.Change 10 m/s into km/h.
  36. 36.A town has 1080 people. Its population grows by 25%. How many people live there now?
  37. 37.The price of a school bag changes from ₹4300 to ₹2580. By what percent did it come down?
  38. 38.Marks of 4 friends in a quiz: 79, 79, 87, 43. What is their average mark?
  39. 39.A school bag marked at ₹3160 is sold for ₹2212. What is the discount percent?
  40. 40.Find the simple interest on ₹3700 at 11% per year for 5 years (in ₹).

Answer key

  1. 32
  2. 4514
  3. 1547
  4. 10
  5. 3
  6. 54
  7. 13
  8. 108
  9. 4775
  10. 6400
  11. 57
  12. 10
  13. 30
  14. 45
  15. 6
  16. 2100
  17. 42
  18. 406
  19. 40
  20. 30
  21. 46
  22. 25
  23. 38
  24. 3024
  25. 1020
  26. 17596
  27. 49
  28. 10
  29. 5
  30. 22984
  31. 3354
  32. 33
  33. 3762
  34. 1012
  35. 36
  36. 1350
  37. 40
  38. 72
  39. 30
  40. 2035

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