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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 628 · 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.

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  1. 1.Find the simple interest on ₹10000 at 4% per year for 1 year (in ₹).
  2. 2.What sum of money earns ₹1288 simple interest in 2 years at 4% per year (in ₹)?
  3. 3.Change 15 m/s into km/h.
  4. 4.Find the amount when ₹30000 is invested at 15% per year compound interest for 2 years (in ₹).
  5. 5.The average of 8 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  6. 6.Aditya’s father is five times as old as Aditya. The sum of their ages is 90 years. How old is Aditya?
  7. 7.What is the difference between the compound interest and the simple interest on ₹16000 at 5% per year for 2 years (in ₹)?
  8. 8.Find the compound interest on ₹40656 at 25% per year for 2 years, added every year (in ₹).
  9. 9.Change 54 km/h into metres per second.
  10. 10.A shop sells an average of 45 kg of sugar a day for 3 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  11. 11.A shopkeeper buys a watch for ₹1680 and sells it for ₹1428. Find the loss percent.
  12. 12.Meera’s batting average after 5 innings is 39 runs. How many runs must Meera score in the next innings to raise the average to 42?
  13. 13.The price of a school bag changes from ₹2820 to ₹3948. By what percent did it go up?
  14. 14.In how many years will ₹800 earn ₹160 as simple interest at 10% per year?
  15. 15.Find the compound interest on ₹1000 at 10% per year for 3 years, added every year (in ₹).
  16. 16.Diya puts ₹2300 in a bank at 5% simple interest per year. How much will she have after 4 years (in ₹)?
  17. 17.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 6 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  19. 19.In 14 years, Sneha will be three times as old as Sneha was 2 years ago. How old is Sneha now?
  20. 20.Change 30 m/s into km/h.
  21. 21.Find the amount when ₹21600 is invested at 15% per year compound interest for 2 years (in ₹).
  22. 22.By selling a bicycle for ₹1488, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
  23. 23.Tara’s father is four times as old as Tara. The sum of their ages is 60 years. How old is the father?
  24. 24.Find the amount when ₹23125 is invested at 4% per year compound interest for 2 years (in ₹).
  25. 25.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
  26. 26.The simple interest on ₹17100 for 2 years is ₹1368. What is the rate of interest (% per year)?
  27. 27.A cricket bat bought for ₹1600 is sold at a profit of 5%. What is the selling price (in ₹)?
  28. 28.Find the simple interest on ₹11700 at 9% per year for 1 year (in ₹).
  29. 29.Find the amount when ₹21250 is invested at 4% per year compound interest for 2 years (in ₹).
  30. 30.The simple interest on ₹9600 for 1 year is ₹768. What is the rate of interest (% per year)?
  31. 31.A water tank holds 160 litres. 25% of the water is used. How many litres are left?
  32. 32.After a 40% discount, a cricket bat costs ₹1512. What was its marked price (in ₹)?
  33. 33.A shopkeeper buys a table fan for ₹1160 and sells it for ₹812. Find the loss percent.
  34. 34.What is the difference between the compound interest and the simple interest on ₹49600 at 5% per year for 2 years (in ₹)?
  35. 35.A car runs for 3 hours at 40 km/h and then for 3 hours at 28 km/h. What is its average speed for the whole journey (in km/h)?
  36. 36.Diya puts ₹15700 in a bank at 12% simple interest per year. How much will she have after 1 year (in ₹)?
  37. 37.Find the compound interest on ₹22720 at 25% per year for 2 years, added every year (in ₹).
  38. 38.Tara can finish a job in 11 days and Vivaan in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  39. 39.Ananya’s father is three times as old as Ananya. The sum of their ages is 28 years. How old is the father?
  40. 40.Kabir’s father is four times as old as Kabir. The sum of their ages is 40 years. How old is the father?

Answer key

  1. 400
  2. 16100
  3. 54
  4. 39675
  5. 60
  6. 15
  7. 40
  8. 22869
  9. 15
  10. 33
  11. 15
  12. 57
  13. 40
  14. 2
  15. 331
  16. 2760
  17. 35
  18. 83
  19. 10
  20. 108
  21. 28566
  22. 1860
  23. 48
  24. 25012
  25. 55
  26. 4
  27. 1680
  28. 1053
  29. 22984
  30. 8
  31. 120
  32. 2520
  33. 30
  34. 124
  35. 34
  36. 17584
  37. 12780
  38. 66/17
  39. 21
  40. 32

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