← Practice: everyday maths lesson New set →

Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 633 · 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.Vivaan’s father is three times as old as Vivaan. The sum of their ages is 40 years. How old is Vivaan?
  2. 2.A watch marked at ₹1900 is sold for ₹1140. What is the discount percent?
  3. 3.Find the amount when ₹37875 is invested at 20% per year compound interest for 3 years (in ₹).
  4. 4.Saanvi can finish a job in 15 days and Kabir in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  5. 5.After a 30% discount, a bicycle costs ₹924. What was its marked price (in ₹)?
  6. 6.By selling a pair of shoes for ₹1728, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
  7. 7.Marks of 6 friends in a quiz: 80, 67, 78, 62, 68, 47. What is their average mark?
  8. 8.A shopkeeper buys a study lamp for ₹1340 and sells it for ₹804. Find the loss percent.
  9. 9.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
  10. 10.Find the amount when ₹24000 is invested at 10% per year compound interest for 3 years (in ₹).
  11. 11.By selling a cricket bat for ₹360, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
  12. 12.Change 20 m/s into km/h.
  13. 13.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
  14. 14.Saanvi’s batting average after 15 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
  15. 15.Diya puts ₹6300 in a bank at 3% simple interest per year. How much will she have after 5 years (in ₹)?
  16. 16.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 33 years. How old is Vivaan?
  17. 17.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.By selling a school bag for ₹390, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
  19. 19.What is the difference between the compound interest and the simple interest on ₹43200 at 15% per year for 2 years (in ₹)?
  20. 20.Arjun and Sneha together finish a job in 5 days. Arjun alone takes 10 days. How many days would Sneha take alone?
  21. 21.By selling a bicycle for ₹816, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
  22. 22.A shop sells 1840 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
  23. 23.Find the compound interest on ₹42100 at 10% per year for 2 years, added every year (in ₹).
  24. 24.Aarav’s batting average after 5 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 45?
  25. 25.By selling a bicycle for ₹864, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
  26. 26.A bicycle is marked at ₹3840. The shop gives a 5% discount. How much do you pay (in ₹)?
  27. 27.In 2 years, Karan will be twice as old as Karan was 5 years ago. How old is Karan now?
  28. 28.A water tank holds 920 litres. 10% of the water is used. How many litres are left?
  29. 29.Nisha and Aarav together finish a job in 3 days. Nisha alone takes 6 days. How many days would Aarav take alone?
  30. 30.Change 15 m/s into km/h.
  31. 31.By selling a pair of shoes for ₹96, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
  32. 32.Vivaan can finish a job in 17 days and Zoya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  33. 33.Kabir cycles to his school at 36 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
  34. 34.In how many years will ₹2300 earn ₹161 as simple interest at 7% per year?
  35. 35.In 18 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?
  36. 36.A shop sells 3660 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
  37. 37.The simple interest on ₹6200 for 3 years is ₹372. What is the rate of interest (% per year)?
  38. 38.A shop sells an average of 27 kg of sugar a day for 4 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Find the amount when ₹2816 is invested at 25% per year compound interest for 3 years (in ₹).
  40. 40.After a 30% discount, a watch costs ₹252. What was its marked price (in ₹)?

Answer key

  1. 10
  2. 40
  3. 65448
  4. 45/8
  5. 1320
  6. 1920
  7. 67
  8. 40
  9. 32.5
  10. 31944
  11. 480
  12. 72
  13. 25002
  14. 94
  15. 7245
  16. 11
  17. 36
  18. 520
  19. 972
  20. 10
  21. 1020
  22. 2576
  23. 8841
  24. 55
  25. 1440
  26. 3648
  27. 12
  28. 828
  29. 6
  30. 54
  31. 80
  32. 170/27
  33. 18
  34. 1
  35. 28
  36. 3843
  37. 2
  38. 50
  39. 5500
  40. 360

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