← Practice: everyday maths lesson New set →

Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 669 · 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.Zoya and Dev together finish a job in 16 days. Zoya alone takes 20 days. How many days would Dev take alone?
  2. 2.A cricket bat marked at ₹4600 is sold for ₹3910. What is the discount percent?
  3. 3.What sum of money earns ₹2268 simple interest in 4 years at 3% per year (in ₹)?
  4. 4.A watch marked at ₹1080 is sold for ₹540. What is the discount percent?
  5. 5.A price goes up by 15% and then goes up by 30% more. By what percent has it gone up in all? =
  6. 6.Find the compound interest on ₹16800 at 5% per year for 2 years, added every year (in ₹).
  7. 7.Saanvi’s father is five times as old as Saanvi. The sum of their ages is 30 years. How old is the father?
  8. 8.Change 18 km/h into metres per second.
  9. 9.A water tank holds 1520 litres. 10% of the water is used. How many litres are left?
  10. 10.Aditya’s batting average after 14 innings is 24 runs. How many runs must Aditya score in the next innings to raise the average to 29?
  11. 11.A town has 1440 people. Its population grows by 25%. How many people live there now?
  12. 12.In how many years will ₹12800 earn ₹2560 as simple interest at 10% per year?
  13. 13.Marks of 4 friends in a quiz: 70, 88, 89, 49. What is their average mark?
  14. 14.Diya puts ₹700 in a bank at 3% simple interest per year. How much will she have after 3 years (in ₹)?
  15. 15.In how many years will ₹7100 earn ₹852 as simple interest at 12% per year?
  16. 16.By selling a watch for ₹1680, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
  17. 17.By selling a pair of shoes for ₹2236, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
  18. 18.A school bag marked at ₹320 is sold for ₹224. What is the discount percent?
  19. 19.Priya can finish a job in 13 days and Pooja in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  20. 20.Marks of 5 friends in a quiz: 44, 59, 41, 61, 50. What is their average mark?
  21. 21.Ishaan can finish a job in 4 days and Zoya in 8 days. Ishaan works alone for 1 day and then stops. Zoya finishes the rest. How many days does Zoya take?
  22. 22.A car runs for 1 hour at 80 km/h and then for 3 hours at 48 km/h. What is its average speed for the whole journey (in km/h)?
  23. 23.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
  24. 24.The price of a school bag changes from ₹820 to ₹1148. By what percent did it go up?
  25. 25.Marks of 4 friends in a quiz: 67, 60, 65, 60. What is their average mark?
  26. 26.Find the compound interest on ₹24000 at 10% per year for 3 years, added every year (in ₹).
  27. 27.Sneha and Aarav together finish a job in 14 days. Sneha alone takes 18 days. How many days would Aarav take alone?
  28. 28.Find the amount when ₹1000 is invested at 10% per year compound interest for 3 years (in ₹).
  29. 29.Find the compound interest on ₹23000 at 10% per year for 3 years, added every year (in ₹).
  30. 30.How many minutes does a car take to go 76 km at 60 km/h?
  31. 31.Find the compound interest on ₹37125 at 20% per year for 3 years, added every year (in ₹).
  32. 32.Change 20 m/s into km/h.
  33. 33.Diya is 2 years older than Tara. In 6 years, the sum of their ages will be 30. How old is Tara now?
  34. 34.A school bag bought for ₹1300 is sold at a loss of 25%. What is the selling price (in ₹)?
  35. 35.A cricket bat is marked at ₹1920. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  36. 36.A pressure cooker bought for ₹760 is sold at a profit of 20%. What is the selling price (in ₹)?
  37. 37.Rohan can finish a job in 8 days and Manav in 13 days. What fraction of the job do they finish if they work together for 2 days? =
  38. 38.What is the difference between the compound interest and the simple interest on ₹1600 at 10% per year for 2 years (in ₹)?
  39. 39.A pressure cooker bought for ₹1860 is sold at a loss of 5%. What is the selling price (in ₹)?
  40. 40.A pressure cooker is marked at ₹1760. The shop gives a 25% discount. How much do you pay (in ₹)?

Answer key

  1. 80
  2. 15
  3. 18900
  4. 50
  5. 49.5
  6. 1722
  7. 25
  8. 5
  9. 1368
  10. 99
  11. 1800
  12. 2
  13. 74
  14. 763
  15. 1
  16. 1120
  17. 1720
  18. 30
  19. 208/29
  20. 51
  21. 6
  22. 56
  23. 80
  24. 40
  25. 63
  26. 7944
  27. 63
  28. 1331
  29. 7613
  30. 76
  31. 27027
  32. 72
  33. 8
  34. 975
  35. 1296
  36. 912
  37. 21/52
  38. 16
  39. 1767
  40. 1320

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude