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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 146 · 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.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 35 years. How old is the father?
  2. 2.The price of a school bag changes from ₹1180 to ₹1475. By what percent did it go up?
  3. 3.A shopkeeper buys a study lamp for ₹1860 and sells it for ₹1488. Find the loss percent.
  4. 4.What is the difference between the compound interest and the simple interest on ₹42200 at 10% per year for 2 years (in ₹)?
  5. 5.What sum of money earns ₹363 simple interest in 3 years at 11% per year (in ₹)?
  6. 6.A shopkeeper buys a school bag for ₹1420 and sells it for ₹1846. Find the profit percent.
  7. 7.A study lamp is marked at ₹600. The shop gives a 5% discount. How much do you pay (in ₹)?
  8. 8.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  9. 9.A water tank holds 720 litres. 40% of the water is used. How many litres are left?
  10. 10.The price of a school bag changes from ₹3240 to ₹3402. By what percent did it go up?
  11. 11.Diya puts ₹4400 in a bank at 5% simple interest per year. How much will she have after 4 years (in ₹)?
  12. 12.By selling a bicycle for ₹1470, a shopkeeper makes a loss of 25%. What did the bicycle cost the shopkeeper (in ₹)?
  13. 13.Find the compound interest on ₹36000 at 20% per year for 3 years, added every year (in ₹).
  14. 14.What is the difference between the compound interest and the simple interest on ₹25000 at 4% per year for 2 years (in ₹)?
  15. 15.A cricket bat is marked at ₹1100. The shop gives a 25% discount. How much do you pay (in ₹)?
  16. 16.Kabir cycles to his school at 14 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
  17. 17.A car runs for 4 hours at 26 km/h and then for 4 hours at 42 km/h. What is its average speed for the whole journey (in km/h)?
  18. 18.Marks of 4 friends in a quiz: 39, 66, 42, 57. What is their average mark?
  19. 19.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
  20. 20.A town has 4220 people. Its population grows by 20%. How many people live there now?
  21. 21.Change 20 m/s into km/h.
  22. 22.A price comes down by 25% and then comes down by 25% more. By what percent has it come down in all? =
  23. 23.The price of a school bag changes from ₹4140 to ₹4968. By what percent did it go up?
  24. 24.A watch is marked at ₹4100. The shop gives a 20% discount. How much do you pay (in ₹)?
  25. 25.A shop sells an average of 39 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.3 years ago, Arjun’s mother was twice as old as Arjun. The mother is 13 years old now. How old is Arjun now?
  27. 27.The average of 7 numbers is 18. When one more number is added, the average becomes 19. What number was added?
  28. 28.The price of a school bag changes from ₹3620 to ₹1810. By what percent did it come down?
  29. 29.Manav can finish a job in 3 days and Aditya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  30. 30.Aditya can finish a job in 18 days and Kabir in 13 days. What fraction of the job do they finish if they work together for 1 day? =
  31. 31.The price of a bicycle is ₹480. It goes up by 15%. What is the new price (in ₹)?
  32. 32.Meera and Tara together finish a job in 8 days. Meera alone takes 12 days. How many days would Tara take alone?
  33. 33.A cricket bat bought for ₹1460 is sold at a loss of 15%. What is the selling price (in ₹)?
  34. 34.6 years ago, Pooja’s mother was twice as old as Pooja. The mother is 26 years old now. How old is Pooja now?
  35. 35.Diya puts ₹8800 in a bank at 2% simple interest per year. How much will she have after 3 years (in ₹)?
  36. 36.Arjun can finish a job in 14 days and Zoya in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  37. 37.A study lamp marked at ₹1120 is sold for ₹896. What is the discount percent?
  38. 38.A shop sells 1720 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
  39. 39.In 22 years, Priya will be three times as old as Priya was 2 years ago. How old is Priya now?
  40. 40.The price of a school bag changes from ₹240 to ₹300. By what percent did it go up?

Answer key

  1. 28
  2. 25
  3. 20
  4. 422
  5. 1100
  6. 30
  7. 570
  8. 28
  9. 432
  10. 5
  11. 5280
  12. 1960
  13. 26208
  14. 40
  15. 825
  16. 20
  17. 34
  18. 51
  19. 8116
  20. 5064
  21. 72
  22. 43.75
  23. 20
  24. 3280
  25. 31
  26. 8
  27. 26
  28. 50
  29. 18/7
  30. 31/234
  31. 552
  32. 24
  33. 1241
  34. 16
  35. 9328
  36. 140/17
  37. 20
  38. 2064
  39. 14
  40. 25

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