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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 313 · 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.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
  2. 2.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  3. 3.Sneha can finish a job in 4 days and Ananya in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  4. 4.Diya puts ₹2200 in a bank at 6% simple interest per year. How much will she have after 4 years (in ₹)?
  5. 5.Meera’s father is four times as old as Meera. The sum of their ages is 35 years. How old is Meera?
  6. 6.A shopkeeper buys a bicycle for ₹420 and sells it for ₹399. Find the loss percent.
  7. 7.The price of a school bag changes from ₹2660 to ₹3059. By what percent did it go up?
  8. 8.Change 54 km/h into metres per second.
  9. 9.Kabir’s father is three times as old as Kabir. The sum of their ages is 20 years. How old is the father?
  10. 10.Change 30 m/s into km/h.
  11. 11.Arjun’s batting average after 11 innings is 27 runs. How many runs must Arjun score in the next innings to raise the average to 28?
  12. 12.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
  14. 14.Rahul can finish a job in 12 days and Aarav in 19 days. What fraction of the job do they finish if they work together for 2 days? =
  15. 15.A bicycle bought for ₹220 is sold at a loss of 20%. What is the selling price (in ₹)?
  16. 16.Find the compound interest on ₹20800 at 25% per year for 3 years, added every year (in ₹).
  17. 17.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
  18. 18.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  19. 19.A watch is marked at ₹4600. The shop gives a 15% discount. How much do you pay (in ₹)?
  20. 20.Kabir is 8 years older than Ishaan. In 8 years, the sum of their ages will be 82. How old is Ishaan now?
  21. 21.Find the amount when ₹25625 is invested at 4% per year compound interest for 2 years (in ₹).
  22. 22.10 years ago, Karan’s mother was twice as old as Karan. The mother is 18 years old now. How old is Karan now?
  23. 23.Diya puts ₹1000 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
  24. 24.6 years ago, Ananya’s mother was twice as old as Ananya. The mother is 30 years old now. How old is Ananya now?
  25. 25.Kabir cycles to his school at 56 km/h and comes back by the same road at 72 km/h. What is his average speed for the whole trip (in km/h)?
  26. 26.A shop sells 1980 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
  27. 27.Kavya can finish a job in 11 days and Meera in 5 days. What fraction of the job do they finish if they work together for 2 days? =
  28. 28.How many minutes does a car take to go 132 km at 55 km/h?
  29. 29.Change 20 m/s into km/h.
  30. 30.A study lamp bought for ₹1640 is sold at a loss of 5%. What is the selling price (in ₹)?
  31. 31.Change 5 m/s into km/h.
  32. 32.A bus runs at 86 km/h. How far does it go in 90 minutes (in km)?
  33. 33.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  34. 34.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
  35. 35.The average of 6 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  36. 36.Find the amount when ₹23750 is invested at 8% per year compound interest for 2 years (in ₹).
  37. 37.In 18 years, Ishaan will be three times as old as Ishaan was 4 years ago. How old is Ishaan now?
  38. 38.A shop sells 1260 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
  39. 39.By selling a school bag for ₹910, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
  40. 40.A bus runs at 20 km/h. How far does it go in 45 minutes (in km)?

Answer key

  1. 180
  2. 62
  3. 36/13
  4. 2728
  5. 7
  6. 5
  7. 15
  8. 15
  9. 15
  10. 108
  11. 39
  12. 25
  13. 62.5
  14. 31/114
  15. 176
  16. 19825
  17. 1951
  18. 28
  19. 3910
  20. 29
  21. 27716
  22. 14
  23. 1100
  24. 18
  25. 63
  26. 2574
  27. 32/55
  28. 144
  29. 72
  30. 1558
  31. 18
  32. 129
  33. 48
  34. 55
  35. 65
  36. 27702
  37. 15
  38. 1386
  39. 1300
  40. 15

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