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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 221 · 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.What sum of money earns ₹644 simple interest in 1 year at 14% per year (in ₹)?
  2. 2.Isha can finish a job in 20 days and Tara in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  3. 3.The simple interest on ₹12000 for 1 year is ₹1440. What is the rate of interest (% per year)?
  4. 4.A town has 440 people. Its population grows by 10%. How many people live there now?
  5. 5.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
  6. 6.Sneha’s batting average after 14 innings is 27 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  7. 7.Karan is 5 years older than Kabir. In 8 years, the sum of their ages will be 35. How old is Kabir now?
  8. 8.A cricket bat is marked at ₹3780. The shop gives a 15% discount. How much do you pay (in ₹)?
  9. 9.A shopkeeper buys a study lamp for ₹1680 and sells it for ₹1344. Find the loss percent.
  10. 10.Change 5 m/s into km/h.
  11. 11.A water tank holds 3940 litres. 50% of the water is used. How many litres are left?
  12. 12.Change 108 km/h into metres per second.
  13. 13.In how many years will ₹16100 earn ₹2254 as simple interest at 7% per year?
  14. 14.Change 10 m/s into km/h.
  15. 15.A pressure cooker marked at ₹2420 is sold for ₹1936. What is the discount percent?
  16. 16.Manav can finish a job in 19 days and Meera in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  17. 17.The average of 7 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  18. 18.A shop sells 1860 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
  19. 19.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
  20. 20.Change 72 km/h into metres per second.
  21. 21.How many minutes does a car take to go 108 km at 36 km/h?
  22. 22.A town has 820 people. Its population grows by 30%. How many people live there now?
  23. 23.By selling a pressure cooker for ₹1650, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
  24. 24.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 42, 38, 24, 21, 20, 17. What is their average mark?
  26. 26.Find the amount when ₹18800 is invested at 10% per year compound interest for 2 years (in ₹).
  27. 27.Aditya’s father is four times as old as Aditya. The sum of their ages is 25 years. How old is the father?
  28. 28.Marks of 4 friends in a quiz: 78, 82, 85, 67. What is their average mark?
  29. 29.Aarav’s batting average after 8 innings is 26 runs. How many runs must Aarav score in the next innings to raise the average to 31?
  30. 30.A watch is marked at ₹1220. The shop gives a 25% discount. How much do you pay (in ₹)?
  31. 31.Marks of 5 friends in a quiz: 47, 41, 17, 42, 13. What is their average mark?
  32. 32.Meera can finish a job in 3 days and Dev in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  33. 33.A shopkeeper buys a study lamp for ₹640 and sells it for ₹544. Find the loss percent.
  34. 34.Marks of 4 friends in a quiz: 51, 50, 50, 41. What is their average mark?
  35. 35.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A pair of shoes bought for ₹1580 is sold at a profit of 40%. What is the selling price (in ₹)?
  37. 37.A shop sells an average of 66 kg of sugar a day for 3 days, and then 27 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.Find the simple interest on ₹19400 at 14% per year for 1 year (in ₹).
  39. 39.A pair of shoes is marked at ₹1720. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  40. 40.A study lamp bought for ₹1340 is sold at a profit of 5%. What is the selling price (in ₹)?

Answer key

  1. 4600
  2. 220/31
  3. 12
  4. 484
  5. 62.5
  6. 57
  7. 7
  8. 3213
  9. 20
  10. 18
  11. 1970
  12. 30
  13. 2
  14. 36
  15. 20
  16. 285/34
  17. 48
  18. 2232
  19. 35152
  20. 20
  21. 180
  22. 1066
  23. 1100
  24. 33
  25. 27
  26. 22748
  27. 20
  28. 78
  29. 71
  30. 915
  31. 32
  32. 48/19
  33. 15
  34. 48
  35. 45
  36. 2212
  37. 40
  38. 2716
  39. 1161
  40. 1407

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