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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 324 · 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.Sneha can finish a job in 19 days and Kabir in 9 days. What fraction of the job do they finish if they work together for 2 days? =
  2. 2.What is the difference between the compound interest and the simple interest on ₹12000 at 10% per year for 2 years (in ₹)?
  3. 3.By selling a watch for ₹1581, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
  4. 4.The average of 5 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  5. 5.A shopkeeper buys a study lamp for ₹240 and sells it for ₹288. Find the profit percent.
  6. 6.A water tank holds 4040 litres. 40% of the water is used. How many litres are left?
  7. 7.Ananya is 5 years older than Isha. In 4 years, the sum of their ages will be 63. How old is Isha now?
  8. 8.Find the simple interest on ₹19400 at 14% per year for 5 years (in ₹).
  9. 9.What is the difference between the compound interest and the simple interest on ₹16800 at 25% per year for 2 years (in ₹)?
  10. 10.Tara’s batting average after 14 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 23?
  11. 11.Find the simple interest on ₹14600 at 6% per year for 2 years (in ₹).
  12. 12.Find the compound interest on ₹12160 at 25% per year for 3 years, added every year (in ₹).
  13. 13.What sum of money earns ₹3549 simple interest in 3 years at 7% per year (in ₹)?
  14. 14.A watch is marked at ₹4400. The shop gives a 15% discount. How much do you pay (in ₹)?
  15. 15.A price comes down by 20% and then comes down by 30% more. By what percent has it come down in all? =
  16. 16.The price of a school bag changes from ₹4320 to ₹4752. By what percent did it go up?
  17. 17.What is the difference between the compound interest and the simple interest on ₹7200 at 5% per year for 2 years (in ₹)?
  18. 18.How many minutes does a car take to go 135 km at 54 km/h?
  19. 19.Find the amount when ₹40400 is invested at 10% per year compound interest for 2 years (in ₹).
  20. 20.Find the simple interest on ₹13900 at 9% per year for 5 years (in ₹).
  21. 21.How many minutes does a car take to go 71 km at 71 km/h?
  22. 22.A table fan marked at ₹1700 is sold for ₹1360. What is the discount percent?
  23. 23.A study lamp is marked at ₹920. The shop gives a 15% discount. How much do you pay (in ₹)?
  24. 24.A study lamp is marked at ₹460. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  25. 25.A price comes down by 25% and then comes down by 40% more. By what percent has it come down in all? =
  26. 26.Find the simple interest on ₹3200 at 15% per year for 3 years (in ₹).
  27. 27.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
  28. 28.Zoya can finish a job in 11 days and Tara in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  29. 29.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
  30. 30.A town has 740 people. Its population grows by 15%. How many people live there now?
  31. 31.A car runs for 4 hours at 70 km/h and then for 2 hours at 61 km/h. What is its average speed for the whole journey (in km/h)?
  32. 32.Find the amount when ₹33975 is invested at 20% per year compound interest for 2 years (in ₹).
  33. 33.Diya puts ₹7100 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
  34. 34.Change 108 km/h into metres per second.
  35. 35.Diya puts ₹8200 in a bank at 8% simple interest per year. How much will she have after 2 years (in ₹)?
  36. 36.Kavya’s batting average after 7 innings is 35 runs. How many runs must Kavya score in the next innings to raise the average to 36?
  37. 37.Isha is 2 years older than Arjun. In 9 years, the sum of their ages will be 44. How old is Arjun now?
  38. 38.What is the difference between the compound interest and the simple interest on ₹19200 at 5% per year for 2 years (in ₹)?
  39. 39.A watch is marked at ₹640. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  40. 40.A cricket bat is marked at ₹475. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?

Answer key

  1. 56/171
  2. 120
  3. 1860
  4. 61
  5. 20
  6. 2424
  7. 25
  8. 13580
  9. 1050
  10. 37
  11. 1752
  12. 11590
  13. 16900
  14. 3740
  15. 44
  16. 10
  17. 18
  18. 150
  19. 48884
  20. 6255
  21. 60
  22. 20
  23. 782
  24. 184
  25. 55
  26. 1440
  27. 468
  28. 88/19
  29. 19683
  30. 851
  31. 67
  32. 48924
  33. 9940
  34. 30
  35. 9512
  36. 43
  37. 12
  38. 48
  39. 432
  40. 190

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