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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 368 · 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.Priya can finish a job in 4 days and Aarav in 12 days. Priya works alone for 3 days and then stops. Aarav finishes the rest. How many days does Aarav take?
  2. 2.Diya puts ₹1600 in a bank at 5% simple interest per year. How much will she have after 1 year (in ₹)?
  3. 3.Pooja’s batting average after 14 innings is 26 runs. How many runs must Pooja score in the next innings to raise the average to 28?
  4. 4.Change 36 km/h into metres per second.
  5. 5.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
  6. 6.A water tank holds 4040 litres. 30% of the water is used. How many litres are left?
  7. 7.Marks of 5 friends in a quiz: 50, 41, 45, 47, 37. What is their average mark?
  8. 8.A water tank holds 2180 litres. 15% of the water is used. How many litres are left?
  9. 9.Find the amount when ₹35975 is invested at 20% per year compound interest for 2 years (in ₹).
  10. 10.After a 40% discount, a cricket bat costs ₹876. What was its marked price (in ₹)?
  11. 11.A water tank holds 2820 litres. 15% of the water is used. How many litres are left?
  12. 12.The average of 4 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  13. 13.In how many years will ₹700 earn ₹14 as simple interest at 2% per year?
  14. 14.By selling a pair of shoes for ₹594, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
  15. 15.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  16. 16.A shop sells an average of 21 kg of sugar a day for 3 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.9 years ago, Tara’s mother was four times as old as Tara. The mother is 53 years old now. How old is Tara now?
  18. 18.Find the compound interest on ₹13525 at 20% per year for 2 years, added every year (in ₹).
  19. 19.Manav works three times as fast as Rahul. Together they finish a job in 3 days. How many days would Rahul take alone?
  20. 20.A shop sells an average of 20 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Change 54 km/h into metres per second.
  22. 22.Find the simple interest on ₹14200 at 10% per year for 2 years (in ₹).
  23. 23.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
  24. 24.The price of a school bag changes from ₹180 to ₹270. By what percent did it go up?
  25. 25.Aditya and Manav together finish a job in 3 days. Aditya alone takes 4 days. How many days would Manav take alone?
  26. 26.A watch is marked at ₹1040. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  27. 27.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
  28. 28.Find the compound interest on ₹18125 at 12% per year for 2 years, added every year (in ₹).
  29. 29.4 years ago, Arjun’s mother was four times as old as Arjun. The mother is 48 years old now. How old is Arjun now?
  30. 30.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
  31. 31.A table fan is marked at ₹560. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  32. 32.A water tank holds 2360 litres. 10% of the water is used. How many litres are left?
  33. 33.Aarav’s father is four times as old as Aarav. The sum of their ages is 55 years. How old is the father?
  34. 34.In 25 years, Isha will be three times as old as Isha was 3 years ago. How old is Isha now?
  35. 35.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  36. 36.What sum of money earns ₹1056 simple interest in 1 year at 12% per year (in ₹)?
  37. 37.Find the simple interest on ₹17300 at 4% per year for 3 years (in ₹).
  38. 38.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
  39. 39.Aditya’s father is three times as old as Aditya. The sum of their ages is 28 years. How old is Aditya?
  40. 40.How many minutes does a car take to go 72 km at 48 km/h?

Answer key

  1. 3
  2. 1680
  3. 56
  4. 10
  5. 17576
  6. 2828
  7. 44
  8. 1853
  9. 51804
  10. 1460
  11. 2397
  12. 74
  13. 1
  14. 540
  15. 19683
  16. 47
  17. 20
  18. 5951
  19. 12
  20. 25
  21. 15
  22. 2840
  23. 55
  24. 50
  25. 12
  26. 702
  27. 36
  28. 4611
  29. 15
  30. 60
  31. 378
  32. 2124
  33. 44
  34. 17
  35. 28
  36. 8800
  37. 2076
  38. 60
  39. 7
  40. 90

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