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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 178 · 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 water tank holds 140 litres. 40% of the water is used. How many litres are left?
  2. 2.A water tank holds 320 litres. 10% of the water is used. How many litres are left?
  3. 3.Rahul and Tara together finish a job in 16 days. Rahul alone takes 20 days. How many days would Tara take alone?
  4. 4.Ananya works twice as fast as Aarav. Together they finish a job in 11 days. How many days would Aarav take alone?
  5. 5.In 10 years, Saanvi will be twice as old as Saanvi was 2 years ago. How old is Saanvi now?
  6. 6.A pressure cooker marked at ₹1640 is sold for ₹1148. What is the discount percent?
  7. 7.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
  8. 8.Marks of 6 friends in a quiz: 21, 27, 40, 48, 48, 26. What is their average mark?
  9. 9.Find the simple interest on ₹1100 at 9% per year for 3 years (in ₹).
  10. 10.A shop sells 1060 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
  11. 11.Karan can finish a job in 15 days and Manav in 12 days. What fraction of the job do they finish if they work together for 1 day? =
  12. 12.In how many years will ₹9400 earn ₹1692 as simple interest at 6% per year?
  13. 13.Find the amount when ₹12400 is invested at 15% per year compound interest for 2 years (in ₹).
  14. 14.A study lamp is marked at ₹1840. The shop gives a 20% discount. How much do you pay (in ₹)?
  15. 15.Kavya’s batting average after 9 innings is 32 runs. How many runs must Kavya score in the next innings to raise the average to 33?
  16. 16.6 years ago, Tara’s mother was twice as old as Tara. The mother is 26 years old now. How old is Tara now?
  17. 17.In how many years will ₹16300 earn ₹3260 as simple interest at 4% per year?
  18. 18.A shopkeeper buys a pressure cooker for ₹2000 and sells it for ₹2200. Find the profit percent.
  19. 19.Meera can finish a job in 30 days and Zoya in 15 days. Meera works alone for 20 days and then stops. Zoya finishes the rest. How many days does Zoya take?
  20. 20.Kabir can finish a job in 19 days and Aditya in 8 days. What fraction of the job do they finish if they work together for 3 days? =
  21. 21.By selling a bicycle for ₹1495, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
  22. 22.How many minutes does a car take to go 17 km at 60 km/h?
  23. 23.Arjun works three times as fast as Diya. Together they finish a job in 12 days. How many days would Diya take alone?
  24. 24.Change 108 km/h into metres per second.
  25. 25.Isha and Kabir together finish a job in 4 days. Isha alone takes 12 days. How many days would Kabir take alone?
  26. 26.Find the amount when ₹12500 is invested at 8% per year compound interest for 2 years (in ₹).
  27. 27.By selling a school bag for ₹247, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
  28. 28.Change 36 km/h into metres per second.
  29. 29.Aditya and Isha together finish a job in 4 days. Aditya alone takes 6 days. How many days would Isha take alone?
  30. 30.After a 25% discount, a table fan costs ₹165. What was its marked price (in ₹)?
  31. 31.A shopkeeper buys a study lamp for ₹1040 and sells it for ₹936. Find the loss percent.
  32. 32.Change 18 km/h into metres per second.
  33. 33.Find the simple interest on ₹16400 at 9% per year for 1 year (in ₹).
  34. 34.By selling a watch for ₹700, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
  35. 35.A price goes up by 10% and then goes up by 40% more. By what percent has it gone up in all? =
  36. 36.The price of a bicycle is ₹800. It goes up by 15%. What is the new price (in ₹)?
  37. 37.A shopkeeper buys a bicycle for ₹1580 and sells it for ₹1975. Find the profit percent.
  38. 38.Rahul’s batting average after 5 innings is 38 runs. How many runs must Rahul score in the next innings to raise the average to 40?
  39. 39.Aditya’s father is five times as old as Aditya. The sum of their ages is 30 years. How old is Aditya?
  40. 40.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =

Answer key

  1. 84
  2. 288
  3. 80
  4. 33
  5. 14
  6. 30
  7. 36
  8. 35
  9. 297
  10. 1113
  11. 3/20
  12. 3
  13. 16399
  14. 1472
  15. 42
  16. 16
  17. 5
  18. 10
  19. 5
  20. 81/152
  21. 1300
  22. 17
  23. 48
  24. 30
  25. 6
  26. 14580
  27. 260
  28. 10
  29. 12
  30. 220
  31. 10
  32. 5
  33. 1476
  34. 1000
  35. 54
  36. 920
  37. 25
  38. 50
  39. 5
  40. 40

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