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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 730 · 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 21 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
  2. 2.Find the compound interest on ₹20975 at 20% per year for 2 years, added every year (in ₹).
  3. 3.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
  4. 4.Change 108 km/h into metres per second.
  5. 5.The simple interest on ₹18900 for 3 years is ₹1134. What is the rate of interest (% per year)?
  6. 6.What sum of money earns ₹2500 simple interest in 5 years at 10% per year (in ₹)?
  7. 7.The simple interest on ₹19300 for 4 years is ₹11580. What is the rate of interest (% per year)?
  8. 8.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 42 years. How old is Vivaan?
  9. 9.The simple interest on ₹8300 for 4 years is ₹664. What is the rate of interest (% per year)?
  10. 10.A cricket bat bought for ₹260 is sold at a profit of 50%. What is the selling price (in ₹)?
  11. 11.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
  12. 12.A town has 3200 people. Its population grows by 10%. How many people live there now?
  13. 13.A car runs for 4 hours at 64 km/h and then for 4 hours at 58 km/h. What is its average speed for the whole journey (in km/h)?
  14. 14.The simple interest on ₹4200 for 3 years is ₹882. What is the rate of interest (% per year)?
  15. 15.Marks of 5 friends in a quiz: 86, 67, 73, 90, 74. What is their average mark?
  16. 16.A shop sells an average of 69 kg of sugar a day for 2 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
  18. 18.What is the difference between the compound interest and the simple interest on ₹17200 at 5% per year for 2 years (in ₹)?
  19. 19.Kabir can finish a job in 5 days and Kavya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  20. 20.A school bag bought for ₹600 is sold at a profit of 5%. What is the selling price (in ₹)?
  21. 21.Change 10 m/s into km/h.
  22. 22.Marks of 4 friends in a quiz: 50, 54, 63, 33. What is their average mark?
  23. 23.Rohan is 4 years older than Tara. In 7 years, the sum of their ages will be 36. How old is Tara now?
  24. 24.A cricket bat is marked at ₹760. The shop gives a 25% discount. How much do you pay (in ₹)?
  25. 25.What is the difference between the compound interest and the simple interest on ₹48800 at 5% per year for 2 years (in ₹)?
  26. 26.Change 18 km/h into metres per second.
  27. 27.By selling a pair of shoes for ₹885, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
  28. 28.Diya’s father is twice as old as Diya. The sum of their ages is 18 years. How old is Diya?
  29. 29.A pair of shoes is marked at ₹3800. The shop gives a 25% discount. How much do you pay (in ₹)?
  30. 30.Meera’s father is twice as old as Meera. The sum of their ages is 18 years. How old is Meera?
  31. 31.The price of a school bag changes from ₹1780 to ₹2225. By what percent did it go up?
  32. 32.The average of 9 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  33. 33.Priya’s batting average after 11 innings is 28 runs. How many runs must Priya score in the next innings to raise the average to 32?
  34. 34.A water tank holds 1800 litres. 10% of the water is used. How many litres are left?
  35. 35.Manav’s father is twice as old as Manav. The sum of their ages is 15 years. How old is Manav?
  36. 36.A town has 2240 people. Its population grows by 50%. How many people live there now?
  37. 37.What is the difference between the compound interest and the simple interest on ₹14000 at 25% per year for 2 years (in ₹)?
  38. 38.After a 10% discount, a school bag costs ₹1530. What was its marked price (in ₹)?
  39. 39.The price of a school bag changes from ₹1180 to ₹1239. By what percent did it go up?
  40. 40.In how many years will ₹6600 earn ₹594 as simple interest at 3% per year?

Answer key

  1. 31
  2. 9229
  3. 3902
  4. 30
  5. 2
  6. 5000
  7. 15
  8. 7
  9. 2
  10. 390
  11. 17576
  12. 3520
  13. 61
  14. 7
  15. 78
  16. 74
  17. 55
  18. 43
  19. 55/16
  20. 630
  21. 36
  22. 50
  23. 9
  24. 570
  25. 122
  26. 5
  27. 1180
  28. 6
  29. 2850
  30. 6
  31. 25
  32. 75
  33. 76
  34. 1620
  35. 5
  36. 3360
  37. 875
  38. 1700
  39. 5
  40. 3

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