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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 480 · 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 shopkeeper buys a school bag for ₹1260 and sells it for ₹630. Find the loss percent.
  2. 2.What sum of money earns ₹1014 simple interest in 1 year at 13% per year (in ₹)?
  3. 3.Find the amount when ₹22800 is invested at 5% per year compound interest for 2 years (in ₹).
  4. 4.Meera is 6 years older than Nisha. In 4 years, the sum of their ages will be 50. How old is Nisha now?
  5. 5.What sum of money earns ₹186 simple interest in 1 year at 2% per year (in ₹)?
  6. 6.The simple interest on ₹16800 for 1 year is ₹1176. What is the rate of interest (% per year)?
  7. 7.Diya can finish a job in 4 days and Meera in 14 days. What fraction of the job do they finish if they work together for 1 day? =
  8. 8.Rahul and Priya together finish a job in 12 days. Rahul alone takes 15 days. How many days would Priya take alone?
  9. 9.Arjun can finish a job in 18 days and Rahul in 17 days. What fraction of the job do they finish if they work together for 2 days? =
  10. 10.The average of 5 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  11. 11.Aditya and Kavya together finish a job in 8 days. Aditya alone takes 16 days. How many days would Kavya take alone?
  12. 12.Rohan can finish a job in 8 days and Ananya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  13. 13.Manav can finish a job in 13 days and Karan in 20 days. What fraction of the job do they finish if they work together for 3 days? =
  14. 14.A water tank holds 4000 litres. 10% of the water is used. How many litres are left?
  15. 15.The simple interest on ₹14800 for 2 years is ₹1480. What is the rate of interest (% per year)?
  16. 16.Diya puts ₹14200 in a bank at 9% simple interest per year. How much will she have after 4 years (in ₹)?
  17. 17.Find the compound interest on ₹26624 at 25% per year for 3 years, added every year (in ₹).
  18. 18.Find the compound interest on ₹23750 at 4% per year for 2 years, added every year (in ₹).
  19. 19.A price goes up by 20% and then goes up by 5% more. By what percent has it gone up in all? =
  20. 20.The price of a school bag changes from ₹4860 to ₹5103. By what percent did it go up?
  21. 21.A shop sells an average of 23 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  22. 22.The price of a school bag changes from ₹4980 to ₹4731. By what percent did it come down?
  23. 23.Find the compound interest on ₹41250 at 8% per year for 2 years, added every year (in ₹).
  24. 24.What sum of money earns ₹1560 simple interest in 4 years at 6% per year (in ₹)?
  25. 25.After a 30% discount, a watch costs ₹406. What was its marked price (in ₹)?
  26. 26.Vivaan and Aditya together finish a job in 3 days. Vivaan alone takes 4 days. How many days would Aditya take alone?
  27. 27.What is the difference between the compound interest and the simple interest on ₹42900 at 20% per year for 2 years (in ₹)?
  28. 28.The average weight of 6 children is 36 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Arjun’s father is three times as old as Arjun. The sum of their ages is 20 years. How old is the father?
  30. 30.What is the difference between the compound interest and the simple interest on ₹20000 at 15% per year for 2 years (in ₹)?
  31. 31.Meera can finish a job in 12 days and Saanvi in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  32. 32.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
  33. 33.Find the amount when ₹11000 is invested at 10% per year compound interest for 3 years (in ₹).
  34. 34.The average of 6 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  35. 35.A bus runs at 60 km/h. How far does it go in 50 minutes (in km)?
  36. 36.A pressure cooker marked at ₹4500 is sold for ₹4275. What is the discount percent?
  37. 37.Kabir cycles to his school at 15 km/h and comes back by the same road at 75 km/h. What is his average speed for the whole trip (in km/h)?
  38. 38.6 years ago, Karan’s mother was four times as old as Karan. The mother is 30 years old now. How old is Karan now?
  39. 39.The price of a bicycle is ₹4760. It goes up by 15%. What is the new price (in ₹)?
  40. 40.Diya can finish a job in 15 days and Dev in 12 days. What fraction of the job do they finish if they work together for 1 day? =

Answer key

  1. 50
  2. 7800
  3. 25137
  4. 18
  5. 9300
  6. 7
  7. 9/28
  8. 60
  9. 35/153
  10. 75
  11. 16
  12. 88/19
  13. 99/260
  14. 3600
  15. 5
  16. 19312
  17. 25376
  18. 1938
  19. 26
  20. 5
  21. 51
  22. 5
  23. 6864
  24. 6500
  25. 580
  26. 12
  27. 1716
  28. 33
  29. 15
  30. 450
  31. 228/31
  32. 60
  33. 14641
  34. 58
  35. 50
  36. 5
  37. 25
  38. 12
  39. 5474
  40. 3/20

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