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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 853 · 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.In 6 years, Kabir will be twice as old as Kabir was 4 years ago. How old is Kabir now?
  2. 2.Rahul works three times as fast as Pooja. Together they finish a job in 11 days. How many days would Pooja take alone?
  3. 3.2 years ago, Nisha’s mother was twice as old as Nisha. The mother is 14 years old now. How old is Nisha now?
  4. 4.Change 90 km/h into metres per second.
  5. 5.In how many years will ₹17800 earn ₹1424 as simple interest at 4% per year?
  6. 6.Find the compound interest on ₹10240 at 25% per year for 2 years, added every year (in ₹).
  7. 7.A car runs for 3 hours at 38 km/h and then for 2 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
  8. 8.In 26 years, Nisha will be twice as old as Nisha was 6 years ago. How old is Nisha now?
  9. 9.After a 10% discount, a school bag costs ₹3600. What was its marked price (in ₹)?
  10. 10.Find the simple interest on ₹7500 at 8% per year for 5 years (in ₹).
  11. 11.Rohan can finish a job in 4 days and Diya in 12 days. Rohan works alone for 1 day and then stops. Diya finishes the rest. How many days does Diya take?
  12. 12.The price of a bicycle is ₹60. It goes up by 10%. What is the new price (in ₹)?
  13. 13.Find the simple interest on ₹19100 at 4% per year for 3 years (in ₹).
  14. 14.A shopkeeper buys a pressure cooker for ₹1240 and sells it for ₹1426. Find the profit percent.
  15. 15.A bicycle marked at ₹3020 is sold for ₹2869. What is the discount percent?
  16. 16.The simple interest on ₹800 for 2 years is ₹192. What is the rate of interest (% per year)?
  17. 17.A price goes up by 15% and then goes up by 15% more. By what percent has it gone up in all? =
  18. 18.What is the difference between the compound interest and the simple interest on ₹21200 at 15% per year for 2 years (in ₹)?
  19. 19.5 years ago, Rahul’s mother was twice as old as Rahul. The mother is 13 years old now. How old is Rahul now?
  20. 20.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
  21. 21.A shopkeeper buys a pressure cooker for ₹280 and sells it for ₹322. Find the profit percent.
  22. 22.After a 10% discount, a bicycle costs ₹2790. What was its marked price (in ₹)?
  23. 23.Find the simple interest on ₹7200 at 15% per year for 1 year (in ₹).
  24. 24.Change 35 m/s into km/h.
  25. 25.Meera and Aarav together finish a job in 12 days. Meera alone takes 21 days. How many days would Aarav take alone?
  26. 26.3 years ago, Arjun’s mother was four times as old as Arjun. The mother is 51 years old now. How old is Arjun now?
  27. 27.The simple interest on ₹3000 for 2 years is ₹300. What is the rate of interest (% per year)?
  28. 28.Karan’s batting average after 8 innings is 29 runs. How many runs must Karan score in the next innings to raise the average to 30?
  29. 29.Change 15 m/s into km/h.
  30. 30.Change 25 m/s into km/h.
  31. 31.Change 20 m/s into km/h.
  32. 32.Aditya and Kabir together finish a job in 4 days. Aditya alone takes 8 days. How many days would Kabir take alone?
  33. 33.A cricket bat bought for ₹520 is sold at a loss of 15%. What is the selling price (in ₹)?
  34. 34.5 years ago, Isha’s mother was three times as old as Isha. The mother is 32 years old now. How old is Isha now?
  35. 35.A water tank holds 940 litres. 40% of the water is used. How many litres are left?
  36. 36.A shopkeeper buys a school bag for ₹1620 and sells it for ₹1539. Find the loss percent.
  37. 37.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
  38. 38.Meera’s batting average after 5 innings is 49 runs. How many runs must Meera score in the next innings to raise the average to 53?
  39. 39.Find the simple interest on ₹2600 at 5% per year for 2 years (in ₹).
  40. 40.A study lamp marked at ₹140 is sold for ₹133. What is the discount percent?

Answer key

  1. 14
  2. 44
  3. 8
  4. 25
  5. 2
  6. 5760
  7. 48
  8. 38
  9. 4000
  10. 3000
  11. 9
  12. 66
  13. 2292
  14. 15
  15. 5
  16. 12
  17. 32.25
  18. 477
  19. 9
  20. 39366
  21. 15
  22. 3100
  23. 1080
  24. 126
  25. 28
  26. 15
  27. 5
  28. 38
  29. 54
  30. 90
  31. 72
  32. 8
  33. 442
  34. 14
  35. 564
  36. 5
  37. 64
  38. 73
  39. 260
  40. 5

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