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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 233 · 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.Change 18 km/h into metres per second.
  2. 2.After a 20% discount, a school bag costs ₹1824. What was its marked price (in ₹)?
  3. 3.The price of a bicycle is ₹3920. It goes up by 50%. What is the new price (in ₹)?
  4. 4.Marks of 5 friends in a quiz: 64, 82, 56, 68, 65. What is their average mark?
  5. 5.A shop sells an average of 52 kg of sugar a day for 5 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Rohan works twice as fast as Meera. Together they finish a job in 9 days. How many days would Meera take alone?
  7. 7.The average of 9 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  8. 8.In how many years will ₹13400 earn ₹1340 as simple interest at 10% per year?
  9. 9.Find the compound interest on ₹24625 at 20% per year for 3 years, added every year (in ₹).
  10. 10.The price of a school bag changes from ₹2840 to ₹1704. By what percent did it come down?
  11. 11.Find the compound interest on ₹29600 at 5% per year for 2 years, added every year (in ₹).
  12. 12.A cricket bat marked at ₹2880 is sold for ₹2304. What is the discount percent?
  13. 13.Find the amount when ₹32000 is invested at 10% per year compound interest for 3 years (in ₹).
  14. 14.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
  15. 15.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
  16. 16.Marks of 5 friends in a quiz: 74, 74, 66, 87, 84. What is their average mark?
  17. 17.In how many years will ₹2500 earn ₹1000 as simple interest at 10% per year?
  18. 18.Rohan and Saanvi together finish a job in 12 days. Rohan alone takes 20 days. How many days would Saanvi take alone?
  19. 19.The price of a bicycle is ₹840. It goes up by 30%. What is the new price (in ₹)?
  20. 20.Find the compound interest on ₹36875 at 8% per year for 2 years, added every year (in ₹).
  21. 21.Marks of 4 friends in a quiz: 15, 34, 36, 15. What is their average mark?
  22. 22.In how many years will ₹20000 earn ₹4400 as simple interest at 11% per year?
  23. 23.Find the amount when ₹37500 is invested at 8% per year compound interest for 2 years (in ₹).
  24. 24.By selling a bicycle for ₹598, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
  25. 25.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
  26. 26.The price of a bicycle is ₹2600. It goes up by 25%. What is the new price (in ₹)?
  27. 27.What sum of money earns ₹763 simple interest in 1 year at 7% per year (in ₹)?
  28. 28.The average weight of 12 children is 34 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shopkeeper buys a watch for ₹760 and sells it for ₹988. Find the profit percent.
  30. 30.A table fan marked at ₹1400 is sold for ₹1120. What is the discount percent?
  31. 31.The average of 4 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  32. 32.Saanvi can finish a job in 9 days and Rahul in 6 days. What fraction of the job do they finish if they work together for 2 days? =
  33. 33.A town has 3200 people. Its population grows by 10%. How many people live there now?
  34. 34.Ananya’s father is twice as old as Ananya. The sum of their ages is 39 years. How old is the father?
  35. 35.Kabir cycles to his school at 40 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
  36. 36.Dev’s father is twice as old as Dev. The sum of their ages is 33 years. How old is the father?
  37. 37.What sum of money earns ₹2880 simple interest in 4 years at 10% per year (in ₹)?
  38. 38.The average of 9 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  39. 39.Diya puts ₹6000 in a bank at 6% simple interest per year. How much will she have after 2 years (in ₹)?
  40. 40.By selling a pressure cooker for ₹2376, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?

Answer key

  1. 5
  2. 2280
  3. 5880
  4. 67
  5. 44
  6. 27
  7. 54
  8. 1
  9. 17927
  10. 40
  11. 3034
  12. 20
  13. 42592
  14. 60
  15. 36.5
  16. 77
  17. 4
  18. 30
  19. 1092
  20. 6136
  21. 25
  22. 2
  23. 43740
  24. 520
  25. 21952
  26. 3250
  27. 10900
  28. 32
  29. 30
  30. 20
  31. 55
  32. 5/9
  33. 3520
  34. 26
  35. 16
  36. 22
  37. 7200
  38. 75
  39. 6720
  40. 1980

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