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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 512 · 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.A school bag bought for ₹1760 is sold at a loss of 50%. What is the selling price (in ₹)?
  2. 2.Aditya’s father is five times as old as Aditya. The sum of their ages is 30 years. How old is Aditya?
  3. 3.Find the amount when ₹41900 is invested at 10% per year compound interest for 2 years (in ₹).
  4. 4.Kabir cycles to his school at 42 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
  5. 5.Marks of 4 friends in a quiz: 30, 32, 27, 11. What is their average mark?
  6. 6.In 21 years, Sneha will be twice as old as Sneha was 4 years ago. How old is Sneha now?
  7. 7.The simple interest on ₹4400 for 4 years is ₹352. What is the rate of interest (% per year)?
  8. 8.The price of a school bag changes from ₹3600 to ₹5400. By what percent did it go up?
  9. 9.What is the difference between the compound interest and the simple interest on ₹20000 at 25% per year for 2 years (in ₹)?
  10. 10.By selling a pressure cooker for ₹910, a shopkeeper makes a profit of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
  11. 11.Marks of 6 friends in a quiz: 49, 46, 47, 38, 49, 17. What is their average mark?
  12. 12.Diya puts ₹5800 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
  13. 13.Rahul works twice as fast as Manav. Together they finish a job in 5 days. How many days would Manav take alone?
  14. 14.Kabir is 6 years older than Arjun. In 2 years, the sum of their ages will be 24. How old is Arjun now?
  15. 15.The price of a school bag changes from ₹4020 to ₹6030. By what percent did it go up?
  16. 16.Meera’s batting average after 5 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 26?
  17. 17.Priya can finish a job in 30 days and Rahul in 12 days. Priya works alone for 25 days and then stops. Rahul finishes the rest. How many days does Rahul take?
  18. 18.By selling a bicycle for ₹224, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
  19. 19.A shop sells an average of 35 kg of sugar a day for 4 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
  21. 21.A shopkeeper buys a school bag for ₹160 and sells it for ₹120. Find the loss percent.
  22. 22.Kabir cycles to his school at 28 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
  23. 23.Change 40 m/s into km/h.
  24. 24.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
  25. 25.Meera is 10 years older than Zoya. In 8 years, the sum of their ages will be 62. How old is Zoya now?
  26. 26.Dev can finish a job in 25 days and Manav in 5 days. Dev works alone for 5 days and then stops. Manav finishes the rest. How many days does Manav take?
  27. 27.Marks of 6 friends in a quiz: 89, 86, 88, 80, 99, 74. What is their average mark?
  28. 28.In how many years will ₹4400 earn ₹528 as simple interest at 6% per year?
  29. 29.A watch is marked at ₹560. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
  30. 30.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
  31. 31.Find the simple interest on ₹15800 at 2% per year for 2 years (in ₹).
  32. 32.A bicycle marked at ₹1520 is sold for ₹1444. What is the discount percent?
  33. 33.A shopkeeper buys a study lamp for ₹1820 and sells it for ₹1274. Find the loss percent.
  34. 34.A town has 4460 people. Its population grows by 50%. How many people live there now?
  35. 35.A pressure cooker bought for ₹1380 is sold at a loss of 40%. What is the selling price (in ₹)?
  36. 36.Meera and Rohan together finish a job in 6 days. Meera alone takes 7 days. How many days would Rohan take alone?
  37. 37.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The simple interest on ₹5100 for 1 year is ₹612. What is the rate of interest (% per year)?
  39. 39.3 years ago, Manav’s mother was three times as old as Manav. The mother is 15 years old now. How old is Manav now?
  40. 40.A table fan is marked at ₹432. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?

Answer key

  1. 880
  2. 5
  3. 50699
  4. 56
  5. 25
  6. 29
  7. 2
  8. 50
  9. 1250
  10. 700
  11. 41
  12. 6032
  13. 15
  14. 7
  15. 50
  16. 41
  17. 2
  18. 160
  19. 38
  20. 28
  21. 25
  22. 40
  23. 144
  24. 40
  25. 18
  26. 4
  27. 86
  28. 2
  29. 210
  30. 32.5
  31. 632
  32. 5
  33. 30
  34. 6690
  35. 828
  36. 42
  37. 33
  38. 12
  39. 7
  40. 162

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