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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 268 · 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 ₹625 is invested at 12% per year compound interest for 2 years (in ₹).
  2. 2.A shopkeeper buys a watch for ₹540 and sells it for ₹324. Find the loss percent.
  3. 3.Change 35 m/s into km/h.
  4. 4.After a 50% discount, a table fan costs ₹350. What was its marked price (in ₹)?
  5. 5.Find the simple interest on ₹16900 at 15% per year for 3 years (in ₹).
  6. 6.How many minutes does a car take to go 78 km at 40 km/h?
  7. 7.A price comes down by 10% and then comes down by 50% more. By what percent has it come down in all? =
  8. 8.Find the simple interest on ₹15900 at 3% per year for 3 years (in ₹).
  9. 9.Farhan can finish a job in 16 days and Arjun in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  10. 10.A car runs for 1 hour at 73 km/h and then for 2 hours at 52 km/h. What is its average speed for the whole journey (in km/h)?
  11. 11.How many minutes does a car take to go 115 km at 30 km/h?
  12. 12.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A study lamp is marked at ₹535. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  14. 14.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  15. 15.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The price of a school bag changes from ₹3420 to ₹2736. By what percent did it come down?
  17. 17.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  18. 18.Aditya can finish a job in 6 days and Ananya in 20 days. Aditya works alone for 3 days and then stops. Ananya finishes the rest. How many days does Ananya take?
  19. 19.Find the simple interest on ₹9100 at 7% per year for 4 years (in ₹).
  20. 20.A price goes up by 5% and then goes up by 10% more. By what percent has it gone up in all? =
  21. 21.A watch marked at ₹1820 is sold for ₹1729. What is the discount percent?
  22. 22.Change 15 m/s into km/h.
  23. 23.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
  24. 24.A watch bought for ₹80 is sold at a loss of 40%. What is the selling price (in ₹)?
  25. 25.A shop sells 740 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
  26. 26.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
  27. 27.By selling a pair of shoes for ₹697, a shopkeeper makes a loss of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
  28. 28.Rahul’s batting average after 7 innings is 40 runs. How many runs must Rahul score in the next innings to raise the average to 45?
  29. 29.A cricket bat is marked at ₹552. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  30. 30.Change 72 km/h into metres per second.
  31. 31.A shopkeeper buys a bicycle for ₹860 and sells it for ₹946. Find the profit percent.
  32. 32.A water tank holds 4140 litres. 15% of the water is used. How many litres are left?
  33. 33.The price of a bicycle is ₹4240. It goes up by 30%. What is the new price (in ₹)?
  34. 34.Diya puts ₹9200 in a bank at 7% simple interest per year. How much will she have after 5 years (in ₹)?
  35. 35.How many minutes does a car take to go 35 km at 42 km/h?
  36. 36.Find the simple interest on ₹7400 at 8% per year for 1 year (in ₹).
  37. 37.A bicycle is marked at ₹2020. The shop gives a 20% discount. How much do you pay (in ₹)?
  38. 38.Saanvi can finish a job in 14 days and Dev in 28 days. Saanvi works alone for 13 days and then stops. Dev finishes the rest. How many days does Dev take?
  39. 39.The simple interest on ₹2600 for 4 years is ₹1248. What is the rate of interest (% per year)?
  40. 40.Ananya works twice as fast as Karan. Together they finish a job in 12 days. How many days would Karan take alone?

Answer key

  1. 784
  2. 40
  3. 126
  4. 700
  5. 7605
  6. 117
  7. 55
  8. 1431
  9. 16/9
  10. 59
  11. 230
  12. 30
  13. 214
  14. 1951
  15. 26
  16. 20
  17. 8116
  18. 10
  19. 2548
  20. 15.5
  21. 5
  22. 54
  23. 144
  24. 48
  25. 1110
  26. 160
  27. 820
  28. 80
  29. 138
  30. 20
  31. 10
  32. 3519
  33. 5512
  34. 12420
  35. 50
  36. 592
  37. 1616
  38. 2
  39. 12
  40. 36

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