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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 742 · 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 ₹47500 at 8% per year for 2 years (in ₹)?
  2. 2.Dev’s father is four times as old as Dev. The sum of their ages is 40 years. How old is the father?
  3. 3.How many minutes does a car take to go 11 km at 60 km/h?
  4. 4.Aditya’s batting average after 14 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 50?
  5. 5.What sum of money earns ₹5264 simple interest in 4 years at 14% per year (in ₹)?
  6. 6.A school bag marked at ₹1360 is sold for ₹1224. What is the discount percent?
  7. 7.Tara can finish a job in 20 days and Manav in 10 days. Tara works alone for 14 days and then stops. Manav finishes the rest. How many days does Manav take?
  8. 8.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
  9. 9.A bus runs at 60 km/h. How far does it go in 20 minutes (in km)?
  10. 10.Diya puts ₹7600 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
  11. 11.The average of 5 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  12. 12.The price of a school bag changes from ₹3100 to ₹4650. By what percent did it go up?
  13. 13.In 27 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
  14. 14.Find the amount when ₹26000 is invested at 5% per year compound interest for 2 years (in ₹).
  15. 15.A shop sells 2240 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
  16. 16.After a 50% discount, a cricket bat costs ₹1320. What was its marked price (in ₹)?
  17. 17.A shopkeeper buys a table fan for ₹920 and sells it for ₹460. Find the loss percent.
  18. 18.Diya puts ₹11600 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
  19. 19.Change 20 m/s into km/h.
  20. 20.The average of 5 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  21. 21.Change 108 km/h into metres per second.
  22. 22.A bicycle is marked at ₹1660. The shop gives a 50% discount. How much do you pay (in ₹)?
  23. 23.Zoya can finish a job in 10 days and Rohan in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  24. 24.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
  25. 25.What is the difference between the compound interest and the simple interest on ₹18000 at 5% per year for 2 years (in ₹)?
  26. 26.The simple interest on ₹11400 for 5 years is ₹7410. What is the rate of interest (% per year)?
  27. 27.A table fan marked at ₹3340 is sold for ₹2338. What is the discount percent?
  28. 28.Nisha’s father is three times as old as Nisha. The sum of their ages is 20 years. How old is the father?
  29. 29.Farhan’s batting average after 14 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 40?
  30. 30.A shopkeeper buys a study lamp for ₹460 and sells it for ₹391. Find the loss percent.
  31. 31.The average of 5 numbers is 55. When one more number is added, the average becomes 58. What number was added?
  32. 32.A water tank holds 4500 litres. 20% of the water is used. How many litres are left?
  33. 33.A table fan marked at ₹1860 is sold for ₹930. What is the discount percent?
  34. 34.A shopkeeper buys a pair of shoes for ₹80 and sells it for ₹68. Find the loss percent.
  35. 35.By selling a pair of shoes for ₹2136, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
  36. 36.A price goes up by 50% and then comes down by 10%. By what percent has it gone up in all? =
  37. 37.By selling a pressure cooker for ₹68, a shopkeeper makes a loss of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
  38. 38.How many minutes does a car take to go 74 km at 30 km/h?
  39. 39.The average of 7 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  40. 40.Find the amount when ₹39100 is invested at 10% per year compound interest for 2 years (in ₹).

Answer key

  1. 304
  2. 32
  3. 11
  4. 78
  5. 9400
  6. 10
  7. 3
  8. 216
  9. 20
  10. 10336
  11. 33
  12. 50
  13. 39
  14. 28665
  15. 2576
  16. 2640
  17. 50
  18. 11948
  19. 72
  20. 64
  21. 30
  22. 830
  23. 15/4
  24. 55
  25. 45
  26. 13
  27. 30
  28. 15
  29. 82
  30. 15
  31. 73
  32. 3600
  33. 50
  34. 15
  35. 1780
  36. 35
  37. 80
  38. 148
  39. 87
  40. 47311

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