← Practice: everyday maths lesson New set →

Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 92 · 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.Find the compound interest on ₹32000 at 5% per year for 3 years, added every year (in ₹).
  2. 2.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The price of a school bag changes from ₹2800 to ₹2660. By what percent did it come down?
  4. 4.A pressure cooker is marked at ₹496. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
  5. 5.Arjun can finish a job in 17 days and Ananya in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  6. 6.A cricket bat marked at ₹4380 is sold for ₹2190. What is the discount percent?
  7. 7.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
  8. 8.By selling a school bag for ₹1710, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
  9. 9.Tara and Farhan together finish a job in 4 days. Tara alone takes 5 days. How many days would Farhan take alone?
  10. 10.Marks of 6 friends in a quiz: 41, 34, 33, 56, 53, 71. What is their average mark?
  11. 11.By selling a table fan for ₹1848, a shopkeeper makes a profit of 40%. What did the table fan cost the shopkeeper (in ₹)?
  12. 12.Priya can finish a job in 2 days and Manav in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  13. 13.Kabir cycles to his school at 48 km/h and comes back by the same road at 80 km/h. What is his average speed for the whole trip (in km/h)?
  14. 14.After a 20% discount, a pair of shoes costs ₹2640. What was its marked price (in ₹)?
  15. 15.Diya can finish a job in 19 days and Saanvi in 8 days. What fraction of the job do they finish if they work together for 1 day? =
  16. 16.By selling a study lamp for ₹1173, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
  17. 17.Marks of 5 friends in a quiz: 11, 25, 30, 21, 43. What is their average mark?
  18. 18.Rohan and Vivaan together finish a job in 2 days. Rohan alone takes 4 days. How many days would Vivaan take alone?
  19. 19.Saanvi can finish a job in 3 days and Diya in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  20. 20.Isha’s batting average after 8 innings is 23 runs. How many runs must Isha score in the next innings to raise the average to 25?
  21. 21.A water tank holds 1940 litres. 25% of the water is used. How many litres are left?
  22. 22.How many minutes does a car take to go 46 km at 40 km/h?
  23. 23.Find the amount when ₹30325 is invested at 20% per year compound interest for 2 years (in ₹).
  24. 24.Find the compound interest on ₹39325 at 20% per year for 2 years, added every year (in ₹).
  25. 25.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
  26. 26.The price of a school bag changes from ₹280 to ₹266. By what percent did it come down?
  27. 27.What sum of money earns ₹864 simple interest in 4 years at 6% per year (in ₹)?
  28. 28.A shopkeeper buys a bicycle for ₹80 and sells it for ₹40. Find the loss percent.
  29. 29.By selling a pressure cooker for ₹1500, a shopkeeper makes a loss of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
  30. 30.A table fan bought for ₹980 is sold at a profit of 20%. What is the selling price (in ₹)?
  31. 31.Diya puts ₹1400 in a bank at 8% simple interest per year. How much will she have after 3 years (in ₹)?
  32. 32.In how many years will ₹16000 earn ₹4800 as simple interest at 6% per year?
  33. 33.In how many years will ₹3400 earn ₹1020 as simple interest at 6% per year?
  34. 34.Find the compound interest on ₹17300 at 10% per year for 2 years, added every year (in ₹).
  35. 35.A watch marked at ₹1140 is sold for ₹1083. What is the discount percent?
  36. 36.After a 5% discount, a school bag costs ₹2812. What was its marked price (in ₹)?
  37. 37.A watch is marked at ₹1760. The shop gives a 40% discount. How much do you pay (in ₹)?
  38. 38.Find the simple interest on ₹8000 at 11% per year for 5 years (in ₹).
  39. 39.The price of a bicycle is ₹4300. It goes up by 25%. What is the new price (in ₹)?
  40. 40.Find the simple interest on ₹9600 at 4% per year for 5 years (in ₹).

Answer key

  1. 5044
  2. 25
  3. 5
  4. 279
  5. 221/30
  6. 50
  7. 21952
  8. 1140
  9. 20
  10. 48
  11. 1320
  12. 18/11
  13. 60
  14. 3300
  15. 27/152
  16. 1020
  17. 26
  18. 4
  19. 24/11
  20. 41
  21. 1455
  22. 69
  23. 43668
  24. 17303
  25. 55
  26. 5
  27. 3600
  28. 50
  29. 2000
  30. 1176
  31. 1736
  32. 5
  33. 5
  34. 3633
  35. 5
  36. 2960
  37. 1056
  38. 4400
  39. 5375
  40. 1920

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude