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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 89 · 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.A shop sells an average of 21 kg of sugar a day for 5 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.Change 40 m/s into km/h.
  3. 3.A bicycle is marked at ₹1000. The shop gives a 30% discount. How much do you pay (in ₹)?
  4. 4.3 years ago, Pooja’s mother was twice as old as Pooja. The mother is 27 years old now. How old is Pooja now?
  5. 5.A bicycle is marked at ₹3740. The shop gives a 40% discount. How much do you pay (in ₹)?
  6. 6.By selling a bicycle for ₹1581, a shopkeeper makes a loss of 15%. What did the bicycle cost the shopkeeper (in ₹)?
  7. 7.The average of 7 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  8. 8.A shopkeeper buys a watch for ₹1140 and sells it for ₹1026. Find the loss percent.
  9. 9.A table fan is marked at ₹2400. The shop gives a 10% discount. How much do you pay (in ₹)?
  10. 10.A shopkeeper buys a table fan for ₹680 and sells it for ₹544. Find the loss percent.
  11. 11.In how many years will ₹19700 earn ₹2955 as simple interest at 3% per year?
  12. 12.In how many years will ₹3000 earn ₹240 as simple interest at 2% per year?
  13. 13.Kabir can finish a job in 4 days and Diya in 16 days. Kabir works alone for 1 day and then stops. Diya finishes the rest. How many days does Diya take?
  14. 14.The average of 9 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  15. 15.A shopkeeper buys a watch for ₹480 and sells it for ₹432. Find the loss percent.
  16. 16.Find the compound interest on ₹48368 at 25% per year for 2 years, added every year (in ₹).
  17. 17.Saanvi can finish a job in 4 days and Priya in 7 days. What fraction of the job do they finish if they work together for 1 day? =
  18. 18.The price of a school bag changes from ₹2540 to ₹3048. By what percent did it go up?
  19. 19.A shop sells 2820 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
  20. 20.In how many years will ₹8100 earn ₹486 as simple interest at 6% per year?
  21. 21.In how many years will ₹8200 earn ₹574 as simple interest at 7% per year?
  22. 22.Kavya can finish a job in 13 days and Isha in 4 days. What fraction of the job do they finish if they work together for 3 days? =
  23. 23.A school bag bought for ₹380 is sold at a profit of 30%. What is the selling price (in ₹)?
  24. 24.A price comes down by 40% and then comes down by 30% more. By what percent has it come down in all? =
  25. 25.A study lamp marked at ₹4860 is sold for ₹2916. What is the discount percent?
  26. 26.A price comes down by 50% and then comes down by 25% more. By what percent has it come down in all? =
  27. 27.Marks of 5 friends in a quiz: 68, 83, 57, 62, 85. What is their average mark?
  28. 28.By selling a pressure cooker for ₹2600, a shopkeeper makes a profit of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
  29. 29.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
  30. 30.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Meera can finish a job in 4 days and Manav in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  32. 32.Find the simple interest on ₹13000 at 10% per year for 3 years (in ₹).
  33. 33.Find the compound interest on ₹12400 at 15% per year for 2 years, added every year (in ₹).
  34. 34.A study lamp is marked at ₹1420. The shop gives a 20% discount. How much do you pay (in ₹)?
  35. 35.Change 5 m/s into km/h.
  36. 36.A price goes up by 50% and then goes up by 5% more. By what percent has it gone up in all? =
  37. 37.A bicycle is marked at ₹4080. The shop gives a 15% discount. How much do you pay (in ₹)?
  38. 38.Change 54 km/h into metres per second.
  39. 39.Find the compound interest on ₹45888 at 25% per year for 3 years, added every year (in ₹).
  40. 40.What sum of money earns ₹1005 simple interest in 5 years at 3% per year (in ₹)?

Answer key

  1. 23
  2. 144
  3. 700
  4. 15
  5. 2244
  6. 1860
  7. 23
  8. 10
  9. 2160
  10. 20
  11. 5
  12. 4
  13. 12
  14. 48
  15. 10
  16. 27207
  17. 11/28
  18. 20
  19. 3525
  20. 1
  21. 1
  22. 51/52
  23. 494
  24. 58
  25. 40
  26. 62.5
  27. 71
  28. 2000
  29. 40
  30. 28
  31. 68/21
  32. 3900
  33. 3999
  34. 1136
  35. 18
  36. 57.5
  37. 3468
  38. 15
  39. 43737
  40. 6700

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