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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 764 · 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 compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  2. 2.In how many years will ₹12900 earn ₹2064 as simple interest at 8% per year?
  3. 3.By selling a table fan for ₹392, a shopkeeper makes a profit of 40%. What did the table fan cost the shopkeeper (in ₹)?
  4. 4.Marks of 5 friends in a quiz: 34, 48, 42, 46, 75. What is their average mark?
  5. 5.Nisha can finish a job in 6 days and Rohan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  6. 6.Rahul is 8 years older than Meera. In 5 years, the sum of their ages will be 54. How old is Meera now?
  7. 7.A watch marked at ₹2020 is sold for ₹1010. What is the discount percent?
  8. 8.Marks of 5 friends in a quiz: 18, 14, 29, 18, 51. What is their average mark?
  9. 9.After a 30% discount, a study lamp costs ₹2450. What was its marked price (in ₹)?
  10. 10.Manav is 4 years older than Vivaan. In 7 years, the sum of their ages will be 52. How old is Vivaan now?
  11. 11.Aarav’s father is four times as old as Aarav. The sum of their ages is 25 years. How old is Aarav?
  12. 12.By selling a pressure cooker for ₹1302, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
  13. 13.Change 20 m/s into km/h.
  14. 14.In how many years will ₹1200 earn ₹96 as simple interest at 2% per year?
  15. 15.Farhan works three times as fast as Rohan. Together they finish a job in 8 days. How many days would Rohan take alone?
  16. 16.What is the difference between the compound interest and the simple interest on ₹41600 at 5% per year for 2 years (in ₹)?
  17. 17.A bicycle marked at ₹3780 is sold for ₹3591. What is the discount percent?
  18. 18.Diya puts ₹3500 in a bank at 10% simple interest per year. How much will she have after 3 years (in ₹)?
  19. 19.The simple interest on ₹6300 for 5 years is ₹630. What is the rate of interest (% per year)?
  20. 20.A shop sells 840 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
  21. 21.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
  22. 22.Farhan and Ananya together finish a job in 2 days. Farhan alone takes 3 days. How many days would Ananya take alone?
  23. 23.A shop sells 2540 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
  24. 24.In 2 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
  25. 25.A bicycle bought for ₹820 is sold at a loss of 20%. What is the selling price (in ₹)?
  26. 26.Find the compound interest on ₹41840 at 25% per year for 2 years, added every year (in ₹).
  27. 27.A shop sells 2020 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  28. 28.What is the difference between the compound interest and the simple interest on ₹31200 at 15% per year for 2 years (in ₹)?
  29. 29.A water tank holds 580 litres. 25% of the water is used. How many litres are left?
  30. 30.Marks of 5 friends in a quiz: 28, 34, 56, 39, 48. What is their average mark?
  31. 31.Kavya works three times as fast as Kabir. Together they finish a job in 7 days. How many days would Kabir take alone?
  32. 32.A bus runs at 24 km/h. How far does it go in 90 minutes (in km)?
  33. 33.The average of 5 numbers is 21. When one more number is added, the average becomes 23. What number was added?
  34. 34.The simple interest on ₹10800 for 3 years is ₹2592. What is the rate of interest (% per year)?
  35. 35.Marks of 4 friends in a quiz: 60, 49, 58, 17. What is their average mark?
  36. 36.Find the amount when ₹7625 is invested at 20% per year compound interest for 3 years (in ₹).
  37. 37.Find the compound interest on ₹20000 at 10% per year for 3 years, added every year (in ₹).
  38. 38.What sum of money earns ₹7480 simple interest in 4 years at 11% per year (in ₹)?
  39. 39.The price of a school bag changes from ₹2080 to ₹1456. By what percent did it come down?
  40. 40.By selling a table fan for ₹1606, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?

Answer key

  1. 1951
  2. 2
  3. 280
  4. 49
  5. 66/17
  6. 18
  7. 50
  8. 26
  9. 3500
  10. 17
  11. 5
  12. 1240
  13. 72
  14. 4
  15. 32
  16. 104
  17. 5
  18. 4550
  19. 2
  20. 1008
  21. 19
  22. 6
  23. 2794
  24. 8
  25. 656
  26. 23535
  27. 2525
  28. 702
  29. 435
  30. 41
  31. 28
  32. 36
  33. 33
  34. 8
  35. 46
  36. 13176
  37. 6620
  38. 17000
  39. 30
  40. 1460

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