← Practice: everyday maths lesson New set →

Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 584 · 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.Marks of 6 friends in a quiz: 65, 75, 62, 52, 63, 73. What is their average mark?
  2. 2.Kavya and Dev together finish a job in 6 days. Kavya alone takes 9 days. How many days would Dev take alone?
  3. 3.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
  4. 4.A shopkeeper buys a school bag for ₹1900 and sells it for ₹2280. Find the profit percent.
  5. 5.A bicycle marked at ₹2940 is sold for ₹2793. What is the discount percent?
  6. 6.Marks of 5 friends in a quiz: 37, 30, 52, 48, 18. What is their average mark?
  7. 7.Find the amount when ₹3968 is invested at 25% per year compound interest for 3 years (in ₹).
  8. 8.By selling a study lamp for ₹294, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
  9. 9.Diya can finish a job in 4 days and Kabir in 26 days. Diya works alone for 2 days and then stops. Kabir finishes the rest. How many days does Kabir take?
  10. 10.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
  11. 11.In 4 years, Pooja will be twice as old as Pooja was 5 years ago. How old is Pooja now?
  12. 12.The simple interest on ₹15500 for 3 years is ₹2325. What is the rate of interest (% per year)?
  13. 13.Meera works twice as fast as Dev. Together they finish a job in 4 days. How many days would Dev take alone?
  14. 14.Diya puts ₹2900 in a bank at 8% simple interest per year. How much will she have after 4 years (in ₹)?
  15. 15.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  16. 16.Saanvi’s batting average after 6 innings is 32 runs. How many runs must Saanvi score in the next innings to raise the average to 35?
  17. 17.Zoya can finish a job in 7 days and Rohan in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  18. 18.The average of 4 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  19. 19.By selling a pair of shoes for ₹1092, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
  20. 20.A cricket bat bought for ₹440 is sold at a profit of 10%. What is the selling price (in ₹)?
  21. 21.A shopkeeper buys a study lamp for ₹1220 and sells it for ₹854. Find the loss percent.
  22. 22.A price goes up by 40% and then goes up by 15% more. By what percent has it gone up in all? =
  23. 23.4 years ago, Kabir’s mother was three times as old as Kabir. The mother is 37 years old now. How old is Kabir now?
  24. 24.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
  25. 25.In 4 years, Meera will be three times as old as Meera was 6 years ago. How old is Meera now?
  26. 26.Find the compound interest on ₹11200 at 5% per year for 2 years, added every year (in ₹).
  27. 27.Rohan’s father is twice as old as Rohan. The sum of their ages is 42 years. How old is the father?
  28. 28.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
  29. 29.Meera can finish a job in 6 days and Isha in 11 days. What fraction of the job do they finish if they work together for 2 days? =
  30. 30.The average of 8 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  31. 31.Zoya’s father is four times as old as Zoya. The sum of their ages is 30 years. How old is the father?
  32. 32.Vivaan’s batting average after 9 innings is 26 runs. How many runs must Vivaan score in the next innings to raise the average to 30?
  33. 33.Vivaan works three times as fast as Aditya. Together they finish a job in 6 days. How many days would Aditya take alone?
  34. 34.Rohan can finish a job in 7 days and Saanvi in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  35. 35.The price of a school bag changes from ₹4380 to ₹3942. By what percent did it come down?
  36. 36.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
  37. 37.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
  38. 38.Diya puts ₹12000 in a bank at 6% simple interest per year. How much will she have after 5 years (in ₹)?
  39. 39.By selling a study lamp for ₹2232, a shopkeeper makes a profit of 20%. What did the study lamp cost the shopkeeper (in ₹)?
  40. 40.By selling a pair of shoes for ₹2325, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?

Answer key

  1. 65
  2. 18
  3. 16
  4. 20
  5. 5
  6. 37
  7. 7750
  8. 280
  9. 13
  10. 3902
  11. 14
  12. 5
  13. 12
  14. 3828
  15. 35
  16. 53
  17. 70/17
  18. 62
  19. 1040
  20. 484
  21. 30
  22. 61
  23. 15
  24. 36
  25. 11
  26. 1148
  27. 28
  28. 40
  29. 17/33
  30. 34
  31. 24
  32. 66
  33. 24
  34. 140/27
  35. 10
  36. 75
  37. 28
  38. 15600
  39. 1860
  40. 1860

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