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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 580 · 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 5 friends in a quiz: 85, 61, 59, 65, 95. What is their average mark?
  2. 2.After a 30% discount, a table fan costs ₹910. What was its marked price (in ₹)?
  3. 3.Ananya’s father is twice as old as Ananya. The sum of their ages is 33 years. How old is the father?
  4. 4.A water tank holds 1940 litres. 20% of the water is used. How many litres are left?
  5. 5.In 22 years, Aarav will be twice as old as Aarav was 3 years ago. How old is Aarav now?
  6. 6.A town has 300 people. Its population grows by 5%. How many people live there now?
  7. 7.Change 20 m/s into km/h.
  8. 8.Arjun works three times as fast as Nisha. Together they finish a job in 8 days. How many days would Nisha take alone?
  9. 9.In 30 years, Zoya will be twice as old as Zoya was 4 years ago. How old is Zoya now?
  10. 10.Meera is 2 years older than Zoya. In 8 years, the sum of their ages will be 32. How old is Zoya now?
  11. 11.A shop sells an average of 44 kg of sugar a day for 2 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  12. 12.A cricket bat bought for ₹1260 is sold at a loss of 40%. What is the selling price (in ₹)?
  13. 13.A cricket bat marked at ₹1300 is sold for ₹1235. What is the discount percent?
  14. 14.What is the difference between the compound interest and the simple interest on ₹22400 at 5% per year for 2 years (in ₹)?
  15. 15.Aditya works twice as fast as Aarav. Together they finish a job in 2 days. How many days would Aarav take alone?
  16. 16.After a 10% discount, a table fan costs ₹1800. What was its marked price (in ₹)?
  17. 17.The simple interest on ₹16300 for 5 years is ₹8150. What is the rate of interest (% per year)?
  18. 18.A pair of shoes is marked at ₹860. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
  19. 19.Rohan’s batting average after 9 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  20. 20.A watch is marked at ₹1040. The shop gives a 10% discount. How much do you pay (in ₹)?
  21. 21.Diya’s father is twice as old as Diya. The sum of their ages is 45 years. How old is Diya?
  22. 22.Nisha’s batting average after 9 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 44?
  23. 23.A water tank holds 1140 litres. 25% of the water is used. How many litres are left?
  24. 24.A water tank holds 1420 litres. 20% of the water is used. How many litres are left?
  25. 25.Diya puts ₹11700 in a bank at 10% simple interest per year. How much will she have after 3 years (in ₹)?
  26. 26.Rohan is 4 years older than Ananya. In 2 years, the sum of their ages will be 40. How old is Ananya now?
  27. 27.Diya’s batting average after 8 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 27?
  28. 28.A bicycle bought for ₹580 is sold at a loss of 40%. What is the selling price (in ₹)?
  29. 29.Change 54 km/h into metres per second.
  30. 30.A price goes up by 50% and then comes down by 5%. By what percent has it gone up in all? =
  31. 31.In how many years will ₹3200 earn ₹192 as simple interest at 2% per year?
  32. 32.By selling a watch for ₹1088, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
  33. 33.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  34. 34.The price of a bicycle is ₹4420. It goes up by 10%. What is the new price (in ₹)?
  35. 35.Saanvi and Diya together finish a job in 2 days. Saanvi alone takes 4 days. How many days would Diya take alone?
  36. 36.Change 36 km/h into metres per second.
  37. 37.A bicycle is marked at ₹1640. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  38. 38.A cricket bat is marked at ₹140. The shop gives a 25% discount. How much do you pay (in ₹)?
  39. 39.Nisha and Manav together finish a job in 15 days. Nisha alone takes 24 days. How many days would Manav take alone?
  40. 40.By selling a study lamp for ₹646, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?

Answer key

  1. 73
  2. 1300
  3. 22
  4. 1552
  5. 28
  6. 315
  7. 72
  8. 32
  9. 38
  10. 7
  11. 49
  12. 756
  13. 5
  14. 56
  15. 6
  16. 2000
  17. 10
  18. 387
  19. 62
  20. 936
  21. 15
  22. 71
  23. 855
  24. 1136
  25. 15210
  26. 16
  27. 43
  28. 348
  29. 15
  30. 42.5
  31. 3
  32. 1360
  33. 28
  34. 4862
  35. 4
  36. 10
  37. 1107
  38. 105
  39. 40
  40. 680

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