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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 423 · 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.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 36 years. How old is the father?
  2. 2.A bicycle is marked at ₹4900. The shop gives a 15% discount. How much do you pay (in ₹)?
  3. 3.A town has 2140 people. Its population grows by 5%. How many people live there now?
  4. 4.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
  5. 5.The simple interest on ₹17300 for 1 year is ₹865. What is the rate of interest (% per year)?
  6. 6.Sneha is 9 years older than Nisha. In 4 years, the sum of their ages will be 59. How old is Nisha now?
  7. 7.The simple interest on ₹13500 for 1 year is ₹675. What is the rate of interest (% per year)?
  8. 8.The price of a bicycle is ₹4680. It goes up by 5%. What is the new price (in ₹)?
  9. 9.Kabir and Ananya together finish a job in 15 days. Kabir alone takes 24 days. How many days would Ananya take alone?
  10. 10.What is the difference between the compound interest and the simple interest on ₹27300 at 10% per year for 2 years (in ₹)?
  11. 11.7 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 35 years old now. How old is Ishaan now?
  12. 12.Diya puts ₹7300 in a bank at 9% simple interest per year. How much will she have after 4 years (in ₹)?
  13. 13.The simple interest on ₹1400 for 2 years is ₹84. What is the rate of interest (% per year)?
  14. 14.The price of a school bag changes from ₹800 to ₹400. By what percent did it come down?
  15. 15.Find the compound interest on ₹31250 at 4% per year for 2 years, added every year (in ₹).
  16. 16.By selling a study lamp for ₹300, a shopkeeper makes a profit of 50%. What did the study lamp cost the shopkeeper (in ₹)?
  17. 17.Find the compound interest on ₹31200 at 5% per year for 2 years, added every year (in ₹).
  18. 18.The price of a bicycle is ₹1620. It goes up by 20%. What is the new price (in ₹)?
  19. 19.A study lamp bought for ₹340 is sold at a profit of 20%. What is the selling price (in ₹)?
  20. 20.A price goes up by 15% and then comes down by 5%. By what percent has it gone up in all? =
  21. 21.A shopkeeper buys a school bag for ₹1240 and sells it for ₹744. Find the loss percent.
  22. 22.The price of a school bag changes from ₹3520 to ₹1760. By what percent did it come down?
  23. 23.By selling a cricket bat for ₹1606, a shopkeeper makes a profit of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
  24. 24.After a 40% discount, a cricket bat costs ₹936. What was its marked price (in ₹)?
  25. 25.A cricket bat is marked at ₹2000. The shop gives a 10% discount. How much do you pay (in ₹)?
  26. 26.A price comes down by 10% and then comes down by 50% more. By what percent has it come down in all? =
  27. 27.A water tank holds 4240 litres. 10% of the water is used. How many litres are left?
  28. 28.Diya puts ₹10300 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
  29. 29.By selling a cricket bat for ₹390, a shopkeeper makes a loss of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
  30. 30.A car runs for 1 hour at 61 km/h and then for 1 hour at 71 km/h. What is its average speed for the whole journey (in km/h)?
  31. 31.A study lamp is marked at ₹536. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  32. 32.A town has 280 people. Its population grows by 10%. How many people live there now?
  33. 33.Nisha works twice as fast as Tara. Together they finish a job in 11 days. How many days would Tara take alone?
  34. 34.Find the compound interest on ₹16600 at 10% per year for 2 years, added every year (in ₹).
  35. 35.A shopkeeper buys a table fan for ₹380 and sells it for ₹304. Find the loss percent.
  36. 36.The price of a school bag changes from ₹2620 to ₹2227. By what percent did it come down?
  37. 37.6 years ago, Rahul’s mother was three times as old as Rahul. The mother is 24 years old now. How old is Rahul now?
  38. 38.Rahul’s father is three times as old as Rahul. The sum of their ages is 40 years. How old is Rahul?
  39. 39.What sum of money earns ₹510 simple interest in 3 years at 5% per year (in ₹)?
  40. 40.A bicycle marked at ₹4420 is sold for ₹3978. What is the discount percent?

Answer key

  1. 24
  2. 4165
  3. 2247
  4. 19
  5. 5
  6. 21
  7. 5
  8. 4914
  9. 40
  10. 273
  11. 14
  12. 9928
  13. 3
  14. 50
  15. 2550
  16. 200
  17. 3198
  18. 1944
  19. 408
  20. 9.25
  21. 40
  22. 50
  23. 1460
  24. 1560
  25. 1800
  26. 55
  27. 3816
  28. 11021
  29. 780
  30. 66
  31. 134
  32. 308
  33. 33
  34. 3486
  35. 20
  36. 15
  37. 12
  38. 10
  39. 3400
  40. 10

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