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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 26 · 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 pair of shoes marked at ₹1260 is sold for ₹882. What is the discount percent?
  2. 2.What sum of money earns ₹285 simple interest in 1 year at 3% per year (in ₹)?
  3. 3.Change 35 m/s into km/h.
  4. 4.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
  5. 5.In 27 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
  6. 6.Vivaan’s batting average after 5 innings is 41 runs. How many runs must Vivaan score in the next innings to raise the average to 46?
  7. 7.A shop sells an average of 34 kg of sugar a day for 4 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Kabir’s father is four times as old as Kabir. The sum of their ages is 25 years. How old is Kabir?
  9. 9.Find the amount when ₹28000 is invested at 10% per year compound interest for 3 years (in ₹).
  10. 10.Find the simple interest on ₹17500 at 15% per year for 3 years (in ₹).
  11. 11.A water tank holds 3600 litres. 15% of the water is used. How many litres are left?
  12. 12.A table fan bought for ₹800 is sold at a loss of 15%. What is the selling price (in ₹)?
  13. 13.A town has 400 people. Its population grows by 15%. How many people live there now?
  14. 14.A pressure cooker bought for ₹380 is sold at a loss of 20%. What is the selling price (in ₹)?
  15. 15.The average of 7 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  16. 16.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  17. 17.9 years ago, Rahul’s mother was three times as old as Rahul. The mother is 42 years old now. How old is Rahul now?
  18. 18.What is the difference between the compound interest and the simple interest on ₹2800 at 20% per year for 2 years (in ₹)?
  19. 19.How many minutes does a car take to go 105 km at 30 km/h?
  20. 20.The simple interest on ₹16100 for 1 year is ₹2254. What is the rate of interest (% per year)?
  21. 21.A pair of shoes bought for ₹640 is sold at a profit of 40%. What is the selling price (in ₹)?
  22. 22.A school bag is marked at ₹4700. The shop gives a 50% discount. How much do you pay (in ₹)?
  23. 23.In how many years will ₹18300 earn ₹5490 as simple interest at 10% per year?
  24. 24.Saanvi’s batting average after 8 innings is 41 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  25. 25.A watch bought for ₹1240 is sold at a profit of 5%. What is the selling price (in ₹)?
  26. 26.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
  27. 27.The average of 8 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  28. 28.Kabir cycles to his school at 84 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
  29. 29.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.What sum of money earns ₹1440 simple interest in 5 years at 12% per year (in ₹)?
  31. 31.The simple interest on ₹8900 for 1 year is ₹1157. What is the rate of interest (% per year)?
  32. 32.In 14 years, Rohan will be three times as old as Rohan was 6 years ago. How old is Rohan now?
  33. 33.Aditya’s father is five times as old as Aditya. The sum of their ages is 42 years. How old is the father?
  34. 34.Marks of 4 friends in a quiz: 39, 19, 28, 38. What is their average mark?
  35. 35.A shop sells 1760 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  36. 36.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
  37. 37.Rahul and Kavya together finish a job in 2 days. Rahul alone takes 6 days. How many days would Kavya take alone?
  38. 38.The price of a bicycle is ₹3160. It goes up by 5%. What is the new price (in ₹)?
  39. 39.How many minutes does a car take to go 55 km at 75 km/h?
  40. 40.A water tank holds 2300 litres. 20% of the water is used. How many litres are left?

Answer key

  1. 30
  2. 9500
  3. 126
  4. 37044
  5. 33
  6. 71
  7. 43
  8. 5
  9. 37268
  10. 7875
  11. 3060
  12. 680
  13. 460
  14. 304
  15. 48
  16. 8116
  17. 20
  18. 112
  19. 210
  20. 14
  21. 896
  22. 2350
  23. 3
  24. 50
  25. 1302
  26. 28
  27. 41
  28. 21
  29. 32
  30. 2400
  31. 13
  32. 16
  33. 35
  34. 31
  35. 2200
  36. 32.5
  37. 3
  38. 3318
  39. 44
  40. 1840

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