← Practice: everyday maths lesson New set →

Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 547 · 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.Arjun’s father is twice as old as Arjun. The sum of their ages is 24 years. How old is the father?
  2. 2.How many minutes does a car take to go 96 km at 48 km/h?
  3. 3.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
  4. 4.Manav and Pooja together finish a job in 6 days. Manav alone takes 8 days. How many days would Pooja take alone?
  5. 5.A bicycle is marked at ₹1840. The shop gives a 25% discount. How much do you pay (in ₹)?
  6. 6.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
  7. 7.Dev is 2 years older than Saanvi. In 9 years, the sum of their ages will be 52. How old is Saanvi now?
  8. 8.A shopkeeper buys a cricket bat for ₹1640 and sells it for ₹1476. Find the loss percent.
  9. 9.What is the difference between the compound interest and the simple interest on ₹38100 at 10% per year for 2 years (in ₹)?
  10. 10.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
  11. 11.After a 20% discount, a pressure cooker costs ₹3936. What was its marked price (in ₹)?
  12. 12.The average of 8 numbers is 56. When one more number is added, the average becomes 61. What number was added?
  13. 13.Pooja’s father is five times as old as Pooja. The sum of their ages is 54 years. How old is the father?
  14. 14.A price comes down by 40% and then comes down by 5% more. By what percent has it come down in all? =
  15. 15.A bicycle marked at ₹3920 is sold for ₹1960. What is the discount percent?
  16. 16.A bicycle is marked at ₹525. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  17. 17.The price of a school bag changes from ₹500 to ₹350. By what percent did it come down?
  18. 18.A school bag is marked at ₹4820. The shop gives a 10% discount. How much do you pay (in ₹)?
  19. 19.The price of a school bag changes from ₹2820 to ₹1410. By what percent did it come down?
  20. 20.A school bag marked at ₹1080 is sold for ₹756. What is the discount percent?
  21. 21.By selling a cricket bat for ₹912, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
  22. 22.The simple interest on ₹3500 for 3 years is ₹945. What is the rate of interest (% per year)?
  23. 23.What sum of money earns ₹1417 simple interest in 1 year at 13% per year (in ₹)?
  24. 24.After a 15% discount, a table fan costs ₹578. What was its marked price (in ₹)?
  25. 25.Find the simple interest on ₹10300 at 13% per year for 1 year (in ₹).
  26. 26.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)?
  27. 27.Change 108 km/h into metres per second.
  28. 28.Arjun’s batting average after 8 innings is 38 runs. How many runs must Arjun score in the next innings to raise the average to 40?
  29. 29.By selling a school bag for ₹1953, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
  30. 30.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
  31. 31.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
  32. 32.The price of a school bag changes from ₹4720 to ₹5428. By what percent did it go up?
  33. 33.After a 5% discount, a pressure cooker costs ₹2546. What was its marked price (in ₹)?
  34. 34.The simple interest on ₹1000 for 2 years is ₹280. What is the rate of interest (% per year)?
  35. 35.Zoya works twice as fast as Rahul. Together they finish a job in 2 days. How many days would Rahul take alone?
  36. 36.Change 18 km/h into metres per second.
  37. 37.A cricket bat marked at ₹2500 is sold for ₹1750. What is the discount percent?
  38. 38.A water tank holds 700 litres. 15% of the water is used. How many litres are left?
  39. 39.Nisha’s father is four times as old as Nisha. The sum of their ages is 70 years. How old is the father?
  40. 40.Find the compound interest on ₹21600 at 5% per year for 2 years, added every year (in ₹).

Answer key

  1. 16
  2. 120
  3. 43.75
  4. 24
  5. 1380
  6. 44
  7. 16
  8. 10
  9. 381
  10. 27783
  11. 4920
  12. 101
  13. 45
  14. 43
  15. 50
  16. 315
  17. 30
  18. 4338
  19. 50
  20. 30
  21. 760
  22. 9
  23. 10900
  24. 680
  25. 1339
  26. 21
  27. 30
  28. 56
  29. 1860
  30. 62.5
  31. 20
  32. 15
  33. 2680
  34. 14
  35. 6
  36. 5
  37. 30
  38. 595
  39. 56
  40. 2214

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude