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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 272 · 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.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
  2. 2.Aarav’s father is five times as old as Aarav. The sum of their ages is 42 years. How old is Aarav?
  3. 3.A price goes up by 30% and then goes up by 15% more. By what percent has it gone up in all? =
  4. 4.Marks of 5 friends in a quiz: 50, 75, 66, 56, 78. What is their average mark?
  5. 5.By selling a cricket bat for ₹1617, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
  6. 6.What sum of money earns ₹2440 simple interest in 4 years at 10% per year (in ₹)?
  7. 7.Rahul works twice as fast as Nisha. Together they finish a job in 9 days. How many days would Nisha take alone?
  8. 8.Marks of 5 friends in a quiz: 37, 14, 23, 18, 23. What is their average mark?
  9. 9.What is the difference between the compound interest and the simple interest on ₹44100 at 20% per year for 2 years (in ₹)?
  10. 10.Kavya can finish a job in 15 days and Aarav in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  11. 11.A table fan is marked at ₹2100. The shop gives a 30% discount. How much do you pay (in ₹)?
  12. 12.By selling a pair of shoes for ₹600, a shopkeeper makes a loss of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
  13. 13.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
  14. 14.A water tank holds 2060 litres. 20% of the water is used. How many litres are left?
  15. 15.Find the compound interest on ₹39424 at 25% per year for 3 years, added every year (in ₹).
  16. 16.After a 10% discount, a watch costs ₹1152. What was its marked price (in ₹)?
  17. 17.In 17 years, Kabir will be twice as old as Kabir was 3 years ago. How old is Kabir now?
  18. 18.A shopkeeper buys a school bag for ₹1080 and sells it for ₹1134. Find the profit percent.
  19. 19.10 years ago, Meera’s mother was four times as old as Meera. The mother is 58 years old now. How old is Meera now?
  20. 20.Change 18 km/h into metres per second.
  21. 21.A cricket bat is marked at ₹510. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  22. 22.How many minutes does a car take to go 67 km at 67 km/h?
  23. 23.By selling a study lamp for ₹684, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
  24. 24.In 22 years, Manav will be twice as old as Manav was 3 years ago. How old is Manav now?
  25. 25.Karan can finish a job in 2 days and Aditya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  26. 26.Kabir cycles to his school at 15 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
  27. 27.Tara’s batting average after 7 innings is 49 runs. How many runs must Tara score in the next innings to raise the average to 51?
  28. 28.Kabir cycles to his school at 63 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
  29. 29.A car runs for 3 hours at 68 km/h and then for 1 hour at 36 km/h. What is its average speed for the whole journey (in km/h)?
  30. 30.A town has 1000 people. Its population grows by 30%. How many people live there now?
  31. 31.By selling a school bag for ₹612, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
  32. 32.Marks of 4 friends in a quiz: 75, 54, 69, 74. What is their average mark?
  33. 33.A bus runs at 39 km/h. How far does it go in 20 minutes (in km)?
  34. 34.A study lamp is marked at ₹648. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  35. 35.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
  36. 36.A shop sells 580 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
  37. 37.A town has 1540 people. Its population grows by 10%. How many people live there now?
  38. 38.A shopkeeper buys a bicycle for ₹820 and sells it for ₹574. Find the loss percent.
  39. 39.The simple interest on ₹17300 for 3 years is ₹3114. What is the rate of interest (% per year)?
  40. 40.A watch marked at ₹940 is sold for ₹799. What is the discount percent?

Answer key

  1. 144
  2. 7
  3. 49.5
  4. 65
  5. 1540
  6. 6100
  7. 27
  8. 23
  9. 1764
  10. 6
  11. 1470
  12. 1000
  13. 216
  14. 1648
  15. 37576
  16. 1280
  17. 23
  18. 5
  19. 22
  20. 5
  21. 306
  22. 60
  23. 720
  24. 28
  25. 5/3
  26. 21
  27. 65
  28. 28
  29. 60
  30. 1300
  31. 720
  32. 68
  33. 13
  34. 243
  35. 43
  36. 609
  37. 1694
  38. 30
  39. 6
  40. 15

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