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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 331 · 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.

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  1. 1.After a 20% discount, a pair of shoes costs ₹3856. What was its marked price (in ₹)?
  2. 2.By selling a watch for ₹1080, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
  3. 3.A shopkeeper buys a cricket bat for ₹240 and sells it for ₹360. Find the profit percent.
  4. 4.Diya puts ₹7200 in a bank at 14% simple interest per year. How much will she have after 2 years (in ₹)?
  5. 5.Change 108 km/h into metres per second.
  6. 6.Karan’s father is twice as old as Karan. The sum of their ages is 33 years. How old is Karan?
  7. 7.Change 54 km/h into metres per second.
  8. 8.A bus runs at 20 km/h. How far does it go in 15 minutes (in km)?
  9. 9.A pair of shoes bought for ₹840 is sold at a profit of 30%. What is the selling price (in ₹)?
  10. 10.What is the difference between the compound interest and the simple interest on ₹40100 at 10% per year for 2 years (in ₹)?
  11. 11.A shopkeeper buys a watch for ₹1020 and sells it for ₹969. Find the loss percent.
  12. 12.The price of a school bag changes from ₹460 to ₹552. By what percent did it go up?
  13. 13.Rahul’s father is three times as old as Rahul. The sum of their ages is 28 years. How old is the father?
  14. 14.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
  15. 15.A shopkeeper buys a cricket bat for ₹560 and sells it for ₹280. Find the loss percent.
  16. 16.In 14 years, Kavya will be twice as old as Kavya was 2 years ago. How old is Kavya now?
  17. 17.Kabir cycles to his school at 55 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
  18. 18.What sum of money earns ₹579 simple interest in 1 year at 3% per year (in ₹)?
  19. 19.The simple interest on ₹9300 for 2 years is ₹1860. What is the rate of interest (% per year)?
  20. 20.What is the difference between the compound interest and the simple interest on ₹19300 at 10% per year for 2 years (in ₹)?
  21. 21.A school bag bought for ₹360 is sold at a loss of 50%. What is the selling price (in ₹)?
  22. 22.After a 20% discount, a pressure cooker costs ₹928. What was its marked price (in ₹)?
  23. 23.Find the simple interest on ₹17500 at 11% per year for 1 year (in ₹).
  24. 24.A water tank holds 3040 litres. 30% of the water is used. How many litres are left?
  25. 25.A bus runs at 22 km/h. How far does it go in 90 minutes (in km)?
  26. 26.Dev can finish a job in 3 days and Kabir in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  27. 27.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
  28. 28.A bicycle is marked at ₹656. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  29. 29.Zoya works three times as fast as Priya. Together they finish a job in 6 days. How many days would Priya take alone?
  30. 30.The price of a school bag changes from ₹4540 to ₹2724. By what percent did it come down?
  31. 31.What sum of money earns ₹608 simple interest in 1 year at 4% per year (in ₹)?
  32. 32.A bus runs at 24 km/h. How far does it go in 40 minutes (in km)?
  33. 33.Marks of 4 friends in a quiz: 50, 33, 32, 57. What is their average mark?
  34. 34.Manav can finish a job in 7 days and Kabir in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  35. 35.In how many years will ₹16200 earn ₹4536 as simple interest at 14% per year?
  36. 36.In how many years will ₹13600 earn ₹3264 as simple interest at 6% per year?
  37. 37.Tara can finish a job in 9 days and Ishaan in 5 days. What fraction of the job do they finish if they work together for 3 days? =
  38. 38.A school bag marked at ₹4380 is sold for ₹3285. What is the discount percent?
  39. 39.After a 10% discount, a study lamp costs ₹288. What was its marked price (in ₹)?
  40. 40.A car runs for 4 hours at 33 km/h and then for 1 hour at 53 km/h. What is its average speed for the whole journey (in km/h)?

Answer key

  1. 4820
  2. 900
  3. 50
  4. 9216
  5. 30
  6. 11
  7. 15
  8. 5
  9. 1092
  10. 401
  11. 5
  12. 20
  13. 21
  14. 36.5
  15. 50
  16. 18
  17. 60
  18. 19300
  19. 10
  20. 193
  21. 180
  22. 1160
  23. 1925
  24. 2128
  25. 33
  26. 42/17
  27. 25002
  28. 369
  29. 24
  30. 40
  31. 15200
  32. 16
  33. 43
  34. 84/19
  35. 2
  36. 4
  37. 14/15
  38. 25
  39. 320
  40. 37

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