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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 625 · 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. 1.6 years ago, Aditya’s mother was twice as old as Aditya. The mother is 14 years old now. How old is Aditya now?
  2. 2.In how many years will ₹10600 earn ₹2756 as simple interest at 13% per year?
  3. 3.After a 40% discount, a table fan costs ₹336. What was its marked price (in ₹)?
  4. 4.The simple interest on ₹1700 for 2 years is ₹442. What is the rate of interest (% per year)?
  5. 5.Find the compound interest on ₹4375 at 4% per year for 2 years, added every year (in ₹).
  6. 6.Karan works three times as fast as Arjun. Together they finish a job in 5 days. How many days would Arjun take alone?
  7. 7.Rohan’s father is twice as old as Rohan. The sum of their ages is 27 years. How old is the father?
  8. 8.A watch bought for ₹1700 is sold at a loss of 40%. What is the selling price (in ₹)?
  9. 9.Kabir can finish a job in 14 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. =
  10. 10.Change 18 km/h into metres per second.
  11. 11.Farhan’s father is four times as old as Farhan. The sum of their ages is 60 years. How old is Farhan?
  12. 12.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
  13. 13.Find the compound interest on ₹37500 at 4% per year for 2 years, added every year (in ₹).
  14. 14.Change 10 m/s into km/h.
  15. 15.Kabir cycles to his school at 45 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
  16. 16.A water tank holds 1700 litres. 40% of the water is used. How many litres are left?
  17. 17.The average weight of 10 children is 40 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 6 children is 32 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 29 kg of sugar a day for 6 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.A pair of shoes marked at ₹2920 is sold for ₹2628. What is the discount percent?
  21. 21.A shopkeeper buys a bicycle for ₹1640 and sells it for ₹1722. Find the profit percent.
  22. 22.By selling a cricket bat for ₹1776, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
  23. 23.What is the difference between the compound interest and the simple interest on ₹31300 at 20% per year for 2 years (in ₹)?
  24. 24.Karan’s father is three times as old as Karan. The sum of their ages is 60 years. How old is the father?
  25. 25.Find the amount when ₹21875 is invested at 4% per year compound interest for 2 years (in ₹).
  26. 26.By selling a school bag for ₹2079, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
  27. 27.Karan is 3 years older than Saanvi. In 9 years, the sum of their ages will be 63. How old is Saanvi now?
  28. 28.Isha can finish a job in 9 days and Kavya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  29. 29.A price comes down by 30% and then comes down by 5% more. By what percent has it come down in all? =
  30. 30.A shop sells 3980 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
  31. 31.A table fan marked at ₹3960 is sold for ₹3762. What is the discount percent?
  32. 32.Meera can finish a job in 10 days and Dev in 12 days. What fraction of the job do they finish if they work together for 1 day? =
  33. 33.Vivaan can finish a job in 9 days and Priya in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  34. 34.Kabir’s batting average after 10 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  35. 35.What is the difference between the compound interest and the simple interest on ₹49900 at 10% per year for 2 years (in ₹)?
  36. 36.Aditya can finish a job in 18 days and Ananya in 19 days. What fraction of the job do they finish if they work together for 2 days? =
  37. 37.A town has 4360 people. Its population grows by 25%. How many people live there now?
  38. 38.A shopkeeper buys a school bag for ₹1360 and sells it for ₹1292. Find the loss percent.
  39. 39.Nisha and Priya together finish a job in 16 days. Nisha alone takes 20 days. How many days would Priya take alone?
  40. 40.Find the amount when ₹27500 is invested at 12% per year compound interest for 2 years (in ₹).

Answer key

  1. 10
  2. 2
  3. 560
  4. 13
  5. 357
  6. 20
  7. 18
  8. 1020
  9. 210/29
  10. 5
  11. 12
  12. 28
  13. 3060
  14. 36
  15. 60
  16. 1020
  17. 37
  18. 29
  19. 35
  20. 10
  21. 5
  22. 1480
  23. 1252
  24. 45
  25. 23660
  26. 1980
  27. 21
  28. 45/14
  29. 33.5
  30. 4577
  31. 5
  32. 11/60
  33. 36/7
  34. 94
  35. 499
  36. 37/171
  37. 5450
  38. 5
  39. 80
  40. 34496

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