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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 891 · 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 ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
  2. 2.After a 40% discount, a bicycle costs ₹480. What was its marked price (in ₹)?
  3. 3.A bicycle marked at ₹2420 is sold for ₹2057. What is the discount percent?
  4. 4.Diya can finish a job in 8 days and Karan in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  5. 5.Change 72 km/h into metres per second.
  6. 6.Ishaan and Karan together finish a job in 18 days. Ishaan alone takes 27 days. How many days would Karan take alone?
  7. 7.A price comes down by 25% and then comes down by 25% more. By what percent has it come down in all? =
  8. 8.By selling a pressure cooker for ₹96, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
  9. 9.Find the compound interest on ₹9200 at 10% per year for 2 years, added every year (in ₹).
  10. 10.Find the amount when ₹6250 is invested at 4% per year compound interest for 2 years (in ₹).
  11. 11.A pair of shoes marked at ₹3660 is sold for ₹2196. What is the discount percent?
  12. 12.Diya puts ₹1300 in a bank at 5% simple interest per year. How much will she have after 1 year (in ₹)?
  13. 13.A car runs for 1 hour at 65 km/h and then for 2 hours at 29 km/h. What is its average speed for the whole journey (in km/h)?
  14. 14.Change 15 m/s into km/h.
  15. 15.Find the simple interest on ₹17900 at 2% per year for 4 years (in ₹).
  16. 16.Manav’s batting average after 15 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 52?
  17. 17.Kabir works twice as fast as Kavya. Together they finish a job in 5 days. How many days would Kavya take alone?
  18. 18.A car runs for 3 hours at 31 km/h and then for 3 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
  19. 19.Find the compound interest on ₹10850 at 20% per year for 2 years, added every year (in ₹).
  20. 20.Farhan’s batting average after 5 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 50?
  21. 21.Marks of 6 friends in a quiz: 68, 57, 46, 60, 47, 52. What is their average mark?
  22. 22.The simple interest on ₹4100 for 1 year is ₹82. What is the rate of interest (% per year)?
  23. 23.What is the difference between the compound interest and the simple interest on ₹44800 at 25% per year for 2 years (in ₹)?
  24. 24.A shopkeeper buys a study lamp for ₹60 and sells it for ₹30. Find the loss percent.
  25. 25.What sum of money earns ₹1890 simple interest in 5 years at 14% per year (in ₹)?
  26. 26.10 years ago, Farhan’s mother was twice as old as Farhan. The mother is 34 years old now. How old is Farhan now?
  27. 27.A shop sells 1000 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
  28. 28.A water tank holds 880 litres. 40% of the water is used. How many litres are left?
  29. 29.The price of a school bag changes from ₹620 to ₹930. By what percent did it go up?
  30. 30.A water tank holds 1600 litres. 40% of the water is used. How many litres are left?
  31. 31.A bus runs at 24 km/h. How far does it go in 40 minutes (in km)?
  32. 32.The price of a school bag changes from ₹620 to ₹434. By what percent did it come down?
  33. 33.By selling a study lamp for ₹945, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
  34. 34.Find the amount when ₹6250 is invested at 8% per year compound interest for 2 years (in ₹).
  35. 35.Find the simple interest on ₹14700 at 4% per year for 1 year (in ₹).
  36. 36.In how many years will ₹5700 earn ₹1710 as simple interest at 15% per year?
  37. 37.Change 90 km/h into metres per second.
  38. 38.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
  39. 39.A bicycle is marked at ₹640. The shop gives a 15% discount. How much do you pay (in ₹)?
  40. 40.A price goes up by 25% and then goes up by 5% more. By what percent has it gone up in all? =

Answer key

  1. 21952
  2. 800
  3. 15
  4. 152/27
  5. 20
  6. 54
  7. 43.75
  8. 120
  9. 1932
  10. 6760
  11. 40
  12. 1365
  13. 41
  14. 54
  15. 1432
  16. 127
  17. 15
  18. 47
  19. 4774
  20. 60
  21. 55
  22. 2
  23. 2800
  24. 50
  25. 2700
  26. 22
  27. 1100
  28. 528
  29. 50
  30. 960
  31. 16
  32. 30
  33. 900
  34. 7290
  35. 588
  36. 2
  37. 25
  38. 110
  39. 544
  40. 31.25

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