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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 589 · 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 amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
  2. 2.A price comes down by 5% and then comes down by 40% more. By what percent has it come down in all? =
  3. 3.A pressure cooker is marked at ₹100. The shop gives a 30% discount. How much do you pay (in ₹)?
  4. 4.A table fan is marked at ₹560. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  5. 5.By selling a watch for ₹1800, a shopkeeper makes a loss of 10%. What did the watch cost the shopkeeper (in ₹)?
  6. 6.Kabir cycles to his school at 72 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
  7. 7.Kabir is 5 years older than Nisha. In 10 years, the sum of their ages will be 55. How old is Nisha now?
  8. 8.Find the amount when ₹26325 is invested at 20% per year compound interest for 2 years (in ₹).
  9. 9.Marks of 4 friends in a quiz: 7, 21, 9, 47. What is their average mark?
  10. 10.The simple interest on ₹18900 for 1 year is ₹2457. What is the rate of interest (% per year)?
  11. 11.By selling a bicycle for ₹780, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
  12. 12.7 years ago, Priya’s mother was twice as old as Priya. The mother is 25 years old now. How old is Priya now?
  13. 13.A bicycle marked at ₹3940 is sold for ₹1970. What is the discount percent?
  14. 14.A town has 2420 people. Its population grows by 30%. How many people live there now?
  15. 15.The price of a school bag changes from ₹4420 to ₹2210. By what percent did it come down?
  16. 16.Dev can finish a job in 4 days and Ananya in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  17. 17.The price of a school bag changes from ₹2720 to ₹2992. By what percent did it go up?
  18. 18.Marks of 4 friends in a quiz: 44, 39, 39, 34. What is their average mark?
  19. 19.What is the difference between the compound interest and the simple interest on ₹1600 at 20% per year for 2 years (in ₹)?
  20. 20.Change 10 m/s into km/h.
  21. 21.How many minutes does a car take to go 74 km at 74 km/h?
  22. 22.Find the compound interest on ₹23600 at 5% per year for 2 years, added every year (in ₹).
  23. 23.The price of a bicycle is ₹2400. It goes up by 10%. What is the new price (in ₹)?
  24. 24.A bus runs at 44 km/h. How far does it go in 15 minutes (in km)?
  25. 25.By selling a table fan for ₹360, a shopkeeper makes a loss of 50%. What did the table fan cost the shopkeeper (in ₹)?
  26. 26.Find the compound interest on ₹18175 at 20% per year for 2 years, added every year (in ₹).
  27. 27.A school bag marked at ₹2940 is sold for ₹2793. What is the discount percent?
  28. 28.Priya’s father is four times as old as Priya. The sum of their ages is 75 years. How old is the father?
  29. 29.Tara’s father is twice as old as Tara. The sum of their ages is 36 years. How old is the father?
  30. 30.Find the compound interest on ₹4250 at 20% per year for 2 years, added every year (in ₹).
  31. 31.A pressure cooker is marked at ₹585. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  32. 32.A cricket bat marked at ₹560 is sold for ₹476. What is the discount percent?
  33. 33.Manav’s batting average after 8 innings is 24 runs. How many runs must Manav score in the next innings to raise the average to 25?
  34. 34.Sneha’s batting average after 8 innings is 28 runs. How many runs must Sneha score in the next innings to raise the average to 31?
  35. 35.Karan’s batting average after 10 innings is 22 runs. How many runs must Karan score in the next innings to raise the average to 23?
  36. 36.How many minutes does a car take to go 28 km at 56 km/h?
  37. 37.Marks of 6 friends in a quiz: 41, 43, 35, 52, 46, 77. What is their average mark?
  38. 38.A shopkeeper buys a table fan for ₹620 and sells it for ₹806. Find the profit percent.
  39. 39.A water tank holds 3000 litres. 50% of the water is used. How many litres are left?
  40. 40.Change 40 m/s into km/h.

Answer key

  1. 36501
  2. 43
  3. 70
  4. 336
  5. 2000
  6. 48
  7. 15
  8. 37908
  9. 21
  10. 13
  11. 1560
  12. 16
  13. 50
  14. 3146
  15. 50
  16. 68/21
  17. 10
  18. 39
  19. 64
  20. 36
  21. 60
  22. 2419
  23. 2640
  24. 11
  25. 720
  26. 7997
  27. 5
  28. 60
  29. 24
  30. 1870
  31. 234
  32. 15
  33. 33
  34. 55
  35. 33
  36. 30
  37. 49
  38. 30
  39. 1500
  40. 144

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