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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 25 · 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 bought for ₹1820 is sold at a profit of 15%. What is the selling price (in ₹)?
  2. 2.Pooja can finish a job in 6 days and Priya in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  3. 3.A shopkeeper buys a study lamp for ₹420 and sells it for ₹357. Find the loss percent.
  4. 4.Change 5 m/s into km/h.
  5. 5.In 14 years, Ishaan will be three times as old as Ishaan was 2 years ago. How old is Ishaan now?
  6. 6.A shopkeeper buys a cricket bat for ₹820 and sells it for ₹410. Find the loss percent.
  7. 7.Find the amount when ₹21000 is invested at 10% per year compound interest for 2 years (in ₹).
  8. 8.Change 20 m/s into km/h.
  9. 9.The simple interest on ₹8700 for 3 years is ₹3132. What is the rate of interest (% per year)?
  10. 10.Find the amount when ₹23900 is invested at 20% per year compound interest for 2 years (in ₹).
  11. 11.A study lamp is marked at ₹464. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  12. 12.Kabir’s father is twice as old as Kabir. The sum of their ages is 24 years. How old is Kabir?
  13. 13.After a 15% discount, a study lamp costs ₹1598. What was its marked price (in ₹)?
  14. 14.The simple interest on ₹13200 for 5 years is ₹1980. What is the rate of interest (% per year)?
  15. 15.Find the simple interest on ₹5500 at 7% per year for 3 years (in ₹).
  16. 16.In how many years will ₹1500 earn ₹120 as simple interest at 2% per year?
  17. 17.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.By selling a watch for ₹2079, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
  19. 19.Sneha’s father is twice as old as Sneha. The sum of their ages is 21 years. How old is the father?
  20. 20.By selling a pair of shoes for ₹130, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
  21. 21.Nisha’s batting average after 6 innings is 28 runs. How many runs must Nisha score in the next innings to raise the average to 33?
  22. 22.By selling a bicycle for ₹96, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
  23. 23.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
  24. 24.What sum of money earns ₹4248 simple interest in 3 years at 12% per year (in ₹)?
  25. 25.Farhan’s father is four times as old as Farhan. The sum of their ages is 65 years. How old is Farhan?
  26. 26.Change 35 m/s into km/h.
  27. 27.Marks of 6 friends in a quiz: 48, 61, 35, 47, 40, 63. What is their average mark?
  28. 28.Farhan is 6 years older than Isha. In 6 years, the sum of their ages will be 68. How old is Isha now?
  29. 29.What sum of money earns ₹3456 simple interest in 3 years at 6% per year (in ₹)?
  30. 30.Change 18 km/h into metres per second.
  31. 31.A car runs for 4 hours at 74 km/h and then for 2 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
  32. 32.A bus runs at 32 km/h. How far does it go in 90 minutes (in km)?
  33. 33.Marks of 6 friends in a quiz: 75, 94, 87, 87, 98, 87. What is their average mark?
  34. 34.What is the difference between the compound interest and the simple interest on ₹30200 at 10% per year for 2 years (in ₹)?
  35. 35.A shop sells 340 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
  36. 36.By selling a school bag for ₹912, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
  37. 37.Diya’s father is twice as old as Diya. The sum of their ages is 24 years. How old is the father?
  38. 38.How many minutes does a car take to go 77 km at 30 km/h?
  39. 39.A town has 2440 people. Its population grows by 30%. How many people live there now?
  40. 40.What sum of money earns ₹165 simple interest in 1 year at 3% per year (in ₹)?

Answer key

  1. 2093
  2. 2
  3. 15
  4. 18
  5. 10
  6. 50
  7. 25410
  8. 72
  9. 12
  10. 34416
  11. 116
  12. 8
  13. 1880
  14. 3
  15. 1155
  16. 4
  17. 27
  18. 1980
  19. 14
  20. 100
  21. 63
  22. 120
  23. 19
  24. 11800
  25. 13
  26. 126
  27. 49
  28. 25
  29. 19200
  30. 5
  31. 57
  32. 48
  33. 88
  34. 302
  35. 357
  36. 760
  37. 16
  38. 154
  39. 3172
  40. 5500

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