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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 560 · 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.Find the amount when ₹37000 is invested at 10% per year compound interest for 3 years (in ₹).
  2. 2.By selling a bicycle for ₹2184, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
  3. 3.The simple interest on ₹16500 for 4 years is ₹3960. What is the rate of interest (% per year)?
  4. 4.A price goes up by 20% and then goes up by 30% more. By what percent has it gone up in all? =
  5. 5.In how many years will ₹1900 earn ₹114 as simple interest at 3% per year?
  6. 6.By selling a pair of shoes for ₹264, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
  7. 7.The price of a bicycle is ₹1520. It goes up by 15%. What is the new price (in ₹)?
  8. 8.In 16 years, Rohan will be twice as old as Rohan was 2 years ago. How old is Rohan now?
  9. 9.Marks of 4 friends in a quiz: 59, 67, 62, 40. What is their average mark?
  10. 10.A water tank holds 1060 litres. 40% of the water is used. How many litres are left?
  11. 11.Kavya’s batting average after 15 innings is 25 runs. How many runs must Kavya score in the next innings to raise the average to 29?
  12. 12.9 years ago, Aarav’s mother was twice as old as Aarav. The mother is 15 years old now. How old is Aarav now?
  13. 13.Find the simple interest on ₹7900 at 5% per year for 3 years (in ₹).
  14. 14.3 years ago, Aarav’s mother was twice as old as Aarav. The mother is 25 years old now. How old is Aarav now?
  15. 15.The price of a school bag changes from ₹1560 to ₹936. By what percent did it come down?
  16. 16.Manav can finish a job in 10 days and Zoya in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  17. 17.A shop sells 1920 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
  18. 18.Rohan can finish a job in 9 days and Arjun in 18 days. What fraction of the job do they finish if they work together for 3 days? =
  19. 19.Find the simple interest on ₹1200 at 8% per year for 2 years (in ₹).
  20. 20.A water tank holds 2100 litres. 15% of the water is used. How many litres are left?
  21. 21.How many minutes does a car take to go 45 km at 54 km/h?
  22. 22.A bicycle is marked at ₹3380. The shop gives a 10% discount. How much do you pay (in ₹)?
  23. 23.Aarav and Zoya together finish a job in 20 days. Aarav alone takes 30 days. How many days would Zoya take alone?
  24. 24.Diya puts ₹2500 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
  25. 25.Isha’s batting average after 6 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 32?
  26. 26.How many minutes does a car take to go 63 km at 30 km/h?
  27. 27.A pressure cooker is marked at ₹485. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  28. 28.A water tank holds 4780 litres. 5% of the water is used. How many litres are left?
  29. 29.A shopkeeper buys a study lamp for ₹100 and sells it for ₹95. Find the loss percent.
  30. 30.Kabir cycles to his school at 12 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
  31. 31.In 30 years, Zoya will be three times as old as Zoya was 4 years ago. How old is Zoya now?
  32. 32.Find the compound interest on ₹16832 at 25% per year for 3 years, added every year (in ₹).
  33. 33.A study lamp is marked at ₹520. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  34. 34.Change 36 km/h into metres per second.
  35. 35.What is the difference between the compound interest and the simple interest on ₹36800 at 15% per year for 2 years (in ₹)?
  36. 36.The price of a bicycle is ₹120. It goes up by 50%. What is the new price (in ₹)?
  37. 37.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  38. 38.Find the simple interest on ₹14800 at 9% per year for 1 year (in ₹).
  39. 39.Farhan’s batting average after 9 innings is 34 runs. How many runs must Farhan score in the next innings to raise the average to 39?
  40. 40.After a 20% discount, a bicycle costs ₹3424. What was its marked price (in ₹)?

Answer key

  1. 49247
  2. 1820
  3. 6
  4. 56
  5. 2
  6. 220
  7. 1748
  8. 20
  9. 57
  10. 636
  11. 89
  12. 12
  13. 1185
  14. 14
  15. 40
  16. 40/9
  17. 2496
  18. 1/2
  19. 192
  20. 1785
  21. 50
  22. 3042
  23. 60
  24. 2775
  25. 56
  26. 126
  27. 194
  28. 4541
  29. 5
  30. 15
  31. 21
  32. 16043
  33. 312
  34. 10
  35. 828
  36. 180
  37. 60
  38. 1332
  39. 84
  40. 4280

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