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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 77 · 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.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
  2. 2.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
  3. 3.A bus runs at 26 km/h. How far does it go in 90 minutes (in km)?
  4. 4.The simple interest on ₹9500 for 4 years is ₹4940. What is the rate of interest (% per year)?
  5. 5.Find the simple interest on ₹19200 at 14% per year for 2 years (in ₹).
  6. 6.Ananya can finish a job in 2 days and Zoya in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  7. 7.A bicycle bought for ₹1780 is sold at a loss of 20%. What is the selling price (in ₹)?
  8. 8.The price of a school bag changes from ₹4640 to ₹3480. By what percent did it come down?
  9. 9.Kabir can finish a job in 9 days and Saanvi in 11 days. What fraction of the job do they finish if they work together for 1 day? =
  10. 10.Kabir cycles to his school at 84 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
  11. 11.Change 72 km/h into metres per second.
  12. 12.Zoya and Rohan together finish a job in 10 days. Zoya alone takes 15 days. How many days would Rohan take alone?
  13. 13.Find the amount when ₹40000 is invested at 8% per year compound interest for 2 years (in ₹).
  14. 14.Nisha’s father is four times as old as Nisha. The sum of their ages is 35 years. How old is the father?
  15. 15.A pressure cooker is marked at ₹560. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  16. 16.A table fan bought for ₹1780 is sold at a loss of 50%. What is the selling price (in ₹)?
  17. 17.Change 18 km/h into metres per second.
  18. 18.Change 108 km/h into metres per second.
  19. 19.Change 10 m/s into km/h.
  20. 20.10 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 54 years old now. How old is Vivaan now?
  21. 21.Tara can finish a job in 19 days and Manav in 14 days. What fraction of the job do they finish if they work together for 1 day? =
  22. 22.A shopkeeper buys a bicycle for ₹1980 and sells it for ₹2277. Find the profit percent.
  23. 23.A town has 480 people. Its population grows by 10%. How many people live there now?
  24. 24.A car runs for 2 hours at 50 km/h and then for 2 hours at 68 km/h. What is its average speed for the whole journey (in km/h)?
  25. 25.The price of a school bag changes from ₹2380 to ₹2142. By what percent did it come down?
  26. 26.Diya puts ₹5100 in a bank at 9% simple interest per year. How much will she have after 5 years (in ₹)?
  27. 27.The average of 6 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  28. 28.The simple interest on ₹16100 for 2 years is ₹644. What is the rate of interest (% per year)?
  29. 29.In 4 years, Vivaan will be twice as old as Vivaan was 5 years ago. How old is Vivaan now?
  30. 30.Change 25 m/s into km/h.
  31. 31.Change 54 km/h into metres per second.
  32. 32.A water tank holds 460 litres. 15% of the water is used. How many litres are left?
  33. 33.A shopkeeper buys a study lamp for ₹1980 and sells it for ₹2178. Find the profit percent.
  34. 34.A shopkeeper buys a watch for ₹240 and sells it for ₹204. Find the loss percent.
  35. 35.A shopkeeper buys a table fan for ₹240 and sells it for ₹312. Find the profit percent.
  36. 36.A pressure cooker marked at ₹1240 is sold for ₹868. What is the discount percent?
  37. 37.In 26 years, Zoya will be twice as old as Zoya was 4 years ago. How old is Zoya now?
  38. 38.Find the compound interest on ₹34900 at 10% per year for 2 years, added every year (in ₹).
  39. 39.How many minutes does a car take to go 138 km at 45 km/h?
  40. 40.Pooja works twice as fast as Tara. Together they finish a job in 6 days. How many days would Tara take alone?

Answer key

  1. 19
  2. 12654
  3. 39
  4. 13
  5. 5376
  6. 3/2
  7. 1424
  8. 25
  9. 20/99
  10. 21
  11. 20
  12. 30
  13. 46656
  14. 28
  15. 378
  16. 890
  17. 5
  18. 30
  19. 36
  20. 21
  21. 33/266
  22. 15
  23. 528
  24. 59
  25. 10
  26. 7395
  27. 88
  28. 2
  29. 14
  30. 90
  31. 15
  32. 391
  33. 10
  34. 15
  35. 30
  36. 30
  37. 34
  38. 7329
  39. 184
  40. 18

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