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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 100 · 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.Diya puts ₹2500 in a bank at 2% simple interest per year. How much will she have after 4 years (in ₹)?
  2. 2.The average of 6 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  3. 3.Diya works three times as fast as Aarav. Together they finish a job in 9 days. How many days would Aarav take alone?
  4. 4.Rahul’s father is three times as old as Rahul. The sum of their ages is 48 years. How old is Rahul?
  5. 5.The price of a school bag changes from ₹1820 to ₹2184. By what percent did it go up?
  6. 6.A bus runs at 21 km/h. How far does it go in 20 minutes (in km)?
  7. 7.Find the compound interest on ₹3125 at 4% per year for 2 years, added every year (in ₹).
  8. 8.A school bag is marked at ₹500. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  9. 9.A town has 3500 people. Its population grows by 10%. How many people live there now?
  10. 10.A car runs for 1 hour at 35 km/h and then for 3 hours at 27 km/h. What is its average speed for the whole journey (in km/h)?
  11. 11.After a 10% discount, a pressure cooker costs ₹342. What was its marked price (in ₹)?
  12. 12.9 years ago, Aditya’s mother was four times as old as Aditya. The mother is 41 years old now. How old is Aditya now?
  13. 13.A shopkeeper buys a watch for ₹320 and sells it for ₹160. Find the loss percent.
  14. 14.In 17 years, Isha will be twice as old as Isha was 4 years ago. How old is Isha now?
  15. 15.A town has 3740 people. Its population grows by 40%. How many people live there now?
  16. 16.Marks of 5 friends in a quiz: 18, 42, 39, 22, 14. What is their average mark?
  17. 17.Find the simple interest on ₹20000 at 9% per year for 2 years (in ₹).
  18. 18.A shop sells 1140 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
  19. 19.Find the compound interest on ₹15000 at 8% per year for 2 years, added every year (in ₹).
  20. 20.The average of 9 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  21. 21.A cricket bat marked at ₹240 is sold for ₹192. What is the discount percent?
  22. 22.How many minutes does a car take to go 60 km at 40 km/h?
  23. 23.A pressure cooker marked at ₹1520 is sold for ₹912. What is the discount percent?
  24. 24.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
  25. 25.What sum of money earns ₹2730 simple interest in 2 years at 7% per year (in ₹)?
  26. 26.In how many years will ₹6200 earn ₹1302 as simple interest at 7% per year?
  27. 27.Marks of 5 friends in a quiz: 92, 80, 92, 78, 73. What is their average mark?
  28. 28.A car runs for 3 hours at 80 km/h and then for 3 hours at 78 km/h. What is its average speed for the whole journey (in km/h)?
  29. 29.A price goes up by 5% and then goes up by 15% more. By what percent has it gone up in all? =
  30. 30.6 years ago, Sneha’s mother was four times as old as Sneha. The mother is 34 years old now. How old is Sneha now?
  31. 31.Diya is 8 years older than Ishaan. In 2 years, the sum of their ages will be 32. How old is Ishaan now?
  32. 32.Karan can finish a job in 3 days and Meera in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  33. 33.A pressure cooker bought for ₹940 is sold at a profit of 10%. What is the selling price (in ₹)?
  34. 34.A shopkeeper buys a table fan for ₹1600 and sells it for ₹1520. Find the loss percent.
  35. 35.Meera and Rahul together finish a job in 3 days. Meera alone takes 4 days. How many days would Rahul take alone?
  36. 36.A school bag marked at ₹3560 is sold for ₹3382. What is the discount percent?
  37. 37.Change 20 m/s into km/h.
  38. 38.The price of a school bag changes from ₹480 to ₹408. By what percent did it come down?
  39. 39.The price of a school bag changes from ₹4500 to ₹5400. By what percent did it go up?
  40. 40.A shopkeeper buys a cricket bat for ₹320 and sells it for ₹272. Find the loss percent.

Answer key

  1. 2700
  2. 64
  3. 36
  4. 12
  5. 20
  6. 7
  7. 255
  8. 225
  9. 3850
  10. 29
  11. 380
  12. 17
  13. 50
  14. 25
  15. 5236
  16. 27
  17. 3600
  18. 1710
  19. 2496
  20. 92
  21. 20
  22. 90
  23. 40
  24. 5853
  25. 19500
  26. 3
  27. 83
  28. 79
  29. 20.75
  30. 13
  31. 10
  32. 57/22
  33. 1034
  34. 5
  35. 12
  36. 5
  37. 72
  38. 15
  39. 20
  40. 15

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