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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 151 · 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.The price of a bicycle is ₹2540. It goes up by 5%. What is the new price (in ₹)?
  2. 2.A town has 4760 people. Its population grows by 30%. How many people live there now?
  3. 3.The simple interest on ₹2600 for 4 years is ₹624. What is the rate of interest (% per year)?
  4. 4.How many minutes does a car take to go 108 km at 48 km/h?
  5. 5.Karan can finish a job in 8 days and Rohan in 20 days. Karan works alone for 2 days and then stops. Rohan finishes the rest. How many days does Rohan take?
  6. 6.Diya is 8 years older than Vivaan. In 8 years, the sum of their ages will be 38. How old is Vivaan now?
  7. 7.Change 90 km/h into metres per second.
  8. 8.The price of a bicycle is ₹3760. It goes up by 15%. What is the new price (in ₹)?
  9. 9.Aarav works twice as fast as Vivaan. Together they finish a job in 12 days. How many days would Vivaan take alone?
  10. 10.Find the amount when ₹9875 is invested at 20% per year compound interest for 3 years (in ₹).
  11. 11.The simple interest on ₹3400 for 5 years is ₹680. What is the rate of interest (% per year)?
  12. 12.A pair of shoes is marked at ₹3680. The shop gives a 25% discount. How much do you pay (in ₹)?
  13. 13.A price goes up by 40% and then comes down by 5%. By what percent has it gone up in all? =
  14. 14.Aditya’s batting average after 7 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 40?
  15. 15.After a 40% discount, a watch costs ₹240. What was its marked price (in ₹)?
  16. 16.The average of 7 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  17. 17.Marks of 5 friends in a quiz: 53, 36, 48, 49, 29. What is their average mark?
  18. 18.Find the amount when ₹2400 is invested at 5% per year compound interest for 2 years (in ₹).
  19. 19.The price of a school bag changes from ₹3420 to ₹2736. By what percent did it come down?
  20. 20.A shopkeeper buys a pair of shoes for ₹1860 and sells it for ₹930. Find the loss percent.
  21. 21.The average of 9 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  22. 22.By selling a bicycle for ₹1116, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
  23. 23.A study lamp is marked at ₹840. The shop gives a 40% discount. How much do you pay (in ₹)?
  24. 24.By selling a pair of shoes for ₹470, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
  25. 25.A watch bought for ₹860 is sold at a loss of 30%. What is the selling price (in ₹)?
  26. 26.Find the amount when ₹30832 is invested at 25% per year compound interest for 2 years (in ₹).
  27. 27.How many minutes does a car take to go 74 km at 40 km/h?
  28. 28.In how many years will ₹10300 earn ₹1648 as simple interest at 4% per year?
  29. 29.The simple interest on ₹5200 for 5 years is ₹780. What is the rate of interest (% per year)?
  30. 30.Change 40 m/s into km/h.
  31. 31.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
  32. 32.The simple interest on ₹4800 for 2 years is ₹864. What is the rate of interest (% per year)?
  33. 33.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  34. 34.Zoya can finish a job in 10 days and Manav in 5 days. What fraction of the job do they finish if they work together for 2 days? =
  35. 35.Change 20 m/s into km/h.
  36. 36.Find the amount when ₹3125 is invested at 20% per year compound interest for 3 years (in ₹).
  37. 37.A table fan is marked at ₹450. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  38. 38.What is the difference between the compound interest and the simple interest on ₹17900 at 10% per year for 2 years (in ₹)?
  39. 39.Meera is 2 years older than Aditya. In 4 years, the sum of their ages will be 64. How old is Aditya now?
  40. 40.A study lamp bought for ₹820 is sold at a profit of 50%. What is the selling price (in ₹)?

Answer key

  1. 2667
  2. 6188
  3. 6
  4. 135
  5. 15
  6. 7
  7. 25
  8. 4324
  9. 36
  10. 17064
  11. 4
  12. 2760
  13. 33
  14. 68
  15. 400
  16. 102
  17. 43
  18. 2646
  19. 20
  20. 50
  21. 86
  22. 1240
  23. 504
  24. 940
  25. 602
  26. 48175
  27. 111
  28. 4
  29. 3
  30. 144
  31. 32.5
  32. 9
  33. 1951
  34. 3/5
  35. 72
  36. 5400
  37. 324
  38. 179
  39. 27
  40. 1230

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