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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 607 · 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 compound interest on ₹16700 at 10% per year for 2 years, added every year (in ₹).
  2. 2.The average of 7 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  3. 3.A car runs for 3 hours at 67 km/h and then for 2 hours at 77 km/h. What is its average speed for the whole journey (in km/h)?
  4. 4.A shopkeeper buys a watch for ₹1780 and sells it for ₹2225. Find the profit percent.
  5. 5.A watch is marked at ₹3120. The shop gives a 15% discount. How much do you pay (in ₹)?
  6. 6.The price of a school bag changes from ₹600 to ₹450. By what percent did it come down?
  7. 7.A cricket bat is marked at ₹280. The shop gives a 20% discount. How much do you pay (in ₹)?
  8. 8.The price of a school bag changes from ₹680 to ₹544. By what percent did it come down?
  9. 9.Priya can finish a job in 10 days and Meera in 17 days. What fraction of the job do they finish if they work together for 1 day? =
  10. 10.A watch marked at ₹3660 is sold for ₹2196. What is the discount percent?
  11. 11.Change 15 m/s into km/h.
  12. 12.How many minutes does a car take to go 26 km at 39 km/h?
  13. 13.In how many years will ₹9200 earn ₹276 as simple interest at 3% per year?
  14. 14.Find the simple interest on ₹1100 at 3% per year for 4 years (in ₹).
  15. 15.How many minutes does a car take to go 85 km at 30 km/h?
  16. 16.How many minutes does a car take to go 102 km at 40 km/h?
  17. 17.By selling a bicycle for ₹140, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
  18. 18.What sum of money earns ₹294 simple interest in 2 years at 3% per year (in ₹)?
  19. 19.Diya puts ₹18600 in a bank at 8% simple interest per year. How much will she have after 1 year (in ₹)?
  20. 20.Ishaan works twice as fast as Aarav. Together they finish a job in 12 days. How many days would Aarav take alone?
  21. 21.Find the simple interest on ₹18400 at 4% per year for 5 years (in ₹).
  22. 22.Manav’s father is three times as old as Manav. The sum of their ages is 32 years. How old is Manav?
  23. 23.2 years ago, Arjun’s mother was four times as old as Arjun. The mother is 22 years old now. How old is Arjun now?
  24. 24.Kabir cycles to his school at 77 km/h and comes back by the same road at 44 km/h. What is his average speed for the whole trip (in km/h)?
  25. 25.A pressure cooker marked at ₹2680 is sold for ₹1876. What is the discount percent?
  26. 26.A shop sells an average of 22 kg of sugar a day for 2 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  27. 27.The price of a bicycle is ₹3240. It goes up by 5%. What is the new price (in ₹)?
  28. 28.A pair of shoes marked at ₹1960 is sold for ₹1764. What is the discount percent?
  29. 29.Meera is 5 years older than Aarav. In 3 years, the sum of their ages will be 59. How old is Aarav now?
  30. 30.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A price comes down by 5% and then comes down by 30% more. By what percent has it come down in all? =
  32. 32.Rohan’s batting average after 15 innings is 45 runs. How many runs must Rohan score in the next innings to raise the average to 48?
  33. 33.Change 36 km/h into metres per second.
  34. 34.The price of a school bag changes from ₹180 to ₹225. By what percent did it go up?
  35. 35.Arjun can finish a job in 5 days and Ishaan in 10 days. Arjun works alone for 2 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
  36. 36.A study lamp is marked at ₹4700. The shop gives a 15% discount. How much do you pay (in ₹)?
  37. 37.A town has 780 people. Its population grows by 25%. How many people live there now?
  38. 38.A bus runs at 78 km/h. How far does it go in 90 minutes (in km)?
  39. 39.The price of a school bag changes from ₹360 to ₹288. By what percent did it come down?
  40. 40.Change 5 m/s into km/h.

Answer key

  1. 3507
  2. 53
  3. 71
  4. 25
  5. 2652
  6. 25
  7. 224
  8. 20
  9. 27/170
  10. 40
  11. 54
  12. 40
  13. 1
  14. 132
  15. 170
  16. 153
  17. 200
  18. 4900
  19. 20088
  20. 36
  21. 3680
  22. 8
  23. 7
  24. 56
  25. 30
  26. 34
  27. 3402
  28. 10
  29. 24
  30. 39
  31. 33.5
  32. 93
  33. 10
  34. 25
  35. 6
  36. 3995
  37. 975
  38. 117
  39. 20
  40. 18

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