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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 886 · 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.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.By selling a table fan for ₹660, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
  3. 3.A shopkeeper buys a pressure cooker for ₹220 and sells it for ₹209. Find the loss percent.
  4. 4.Zoya can finish a job in 15 days and Priya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  5. 5.What sum of money earns ₹624 simple interest in 2 years at 13% per year (in ₹)?
  6. 6.A shopkeeper buys a cricket bat for ₹1700 and sells it for ₹2550. Find the profit percent.
  7. 7.By selling a bicycle for ₹1566, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
  8. 8.In 15 years, Karan will be three times as old as Karan was 3 years ago. How old is Karan now?
  9. 9.Change 15 m/s into km/h.
  10. 10.Ishaan is 6 years older than Rohan. In 6 years, the sum of their ages will be 60. How old is Rohan now?
  11. 11.A shopkeeper buys a table fan for ₹1460 and sells it for ₹1314. Find the loss percent.
  12. 12.A shopkeeper buys a pair of shoes for ₹1480 and sells it for ₹1702. Find the profit percent.
  13. 13.What sum of money earns ₹7150 simple interest in 5 years at 13% per year (in ₹)?
  14. 14.Find the compound interest on ₹43500 at 10% per year for 2 years, added every year (in ₹).
  15. 15.Rahul can finish a job in 8 days and Sneha in 12 days. Rahul works alone for 2 days and then stops. Sneha finishes the rest. How many days does Sneha take?
  16. 16.Marks of 4 friends in a quiz: 32, 54, 33, 37. What is their average mark?
  17. 17.Diya puts ₹7800 in a bank at 5% simple interest per year. How much will she have after 5 years (in ₹)?
  18. 18.A bicycle is marked at ₹500. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  19. 19.9 years ago, Zoya’s mother was twice as old as Zoya. The mother is 19 years old now. How old is Zoya now?
  20. 20.The price of a school bag changes from ₹360 to ₹252. By what percent did it come down?
  21. 21.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
  22. 22.What is the difference between the compound interest and the simple interest on ₹13200 at 10% per year for 2 years (in ₹)?
  23. 23.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A pair of shoes marked at ₹3240 is sold for ₹2754. What is the discount percent?
  25. 25.By selling a cricket bat for ₹264, a shopkeeper makes a profit of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
  26. 26.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
  27. 27.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
  28. 28.Change 20 m/s into km/h.
  29. 29.What sum of money earns ₹747 simple interest in 1 year at 9% per year (in ₹)?
  30. 30.Change 25 m/s into km/h.
  31. 31.A bicycle is marked at ₹500. The shop gives a 5% discount. How much do you pay (in ₹)?
  32. 32.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
  33. 33.Ishaan and Karan together finish a job in 2 days. Ishaan alone takes 4 days. How many days would Karan take alone?
  34. 34.A car runs for 2 hours at 47 km/h and then for 4 hours at 71 km/h. What is its average speed for the whole journey (in km/h)?
  35. 35.Meera’s father is five times as old as Meera. The sum of their ages is 48 years. How old is Meera?
  36. 36.Change 10 m/s into km/h.
  37. 37.Change 18 km/h into metres per second.
  38. 38.A bicycle bought for ₹500 is sold at a loss of 20%. What is the selling price (in ₹)?
  39. 39.The average of 7 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  40. 40.A shopkeeper buys a table fan for ₹240 and sells it for ₹228. Find the loss percent.

Answer key

  1. 45
  2. 600
  3. 5
  4. 6
  5. 2400
  6. 50
  7. 1740
  8. 12
  9. 54
  10. 21
  11. 10
  12. 15
  13. 11000
  14. 9135
  15. 9
  16. 39
  17. 9750
  18. 225
  19. 14
  20. 30
  21. 25002
  22. 132
  23. 33
  24. 15
  25. 240
  26. 80
  27. 5
  28. 72
  29. 8300
  30. 90
  31. 475
  32. 32.5
  33. 4
  34. 63
  35. 8
  36. 36
  37. 5
  38. 400
  39. 35
  40. 5

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