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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 588 · 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 simple interest on ₹12500 at 8% per year for 3 years (in ₹).
  2. 2.Diya is 8 years older than Priya. In 4 years, the sum of their ages will be 68. How old is Priya now?
  3. 3.In 30 years, Nisha will be twice as old as Nisha was 4 years ago. How old is Nisha now?
  4. 4.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
  5. 5.A pressure cooker is marked at ₹4220. The shop gives a 30% discount. How much do you pay (in ₹)?
  6. 6.How many minutes does a car take to go 143 km at 66 km/h?
  7. 7.Change 35 m/s into km/h.
  8. 8.Dev is 2 years older than Aarav. In 5 years, the sum of their ages will be 36. How old is Aarav now?
  9. 9.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
  10. 10.5 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 26 years old now. How old is Ishaan now?
  11. 11.What sum of money earns ₹180 simple interest in 1 year at 2% per year (in ₹)?
  12. 12.In how many years will ₹16600 earn ₹5810 as simple interest at 7% per year?
  13. 13.A bicycle is marked at ₹425. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
  14. 14.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
  15. 15.The simple interest on ₹19500 for 1 year is ₹390. What is the rate of interest (% per year)?
  16. 16.Kavya is 2 years older than Vivaan. In 2 years, the sum of their ages will be 58. How old is Vivaan now?
  17. 17.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.In how many years will ₹1300 earn ₹312 as simple interest at 8% per year?
  19. 19.The price of a school bag changes from ₹2080 to ₹1248. By what percent did it come down?
  20. 20.Ananya can finish a job in 7 days and Saanvi in 14 days. Ananya works alone for 1 day and then stops. Saanvi finishes the rest. How many days does Saanvi take?
  21. 21.Marks of 6 friends in a quiz: 57, 64, 72, 59, 66, 72. What is their average mark?
  22. 22.Find the compound interest on ₹14000 at 10% per year for 3 years, added every year (in ₹).
  23. 23.A shopkeeper buys a bicycle for ₹940 and sells it for ₹470. Find the loss percent.
  24. 24.Kabir can finish a job in 13 days and Karan in 14 days. What fraction of the job do they finish if they work together for 3 days? =
  25. 25.A shopkeeper buys a cricket bat for ₹460 and sells it for ₹437. Find the loss percent.
  26. 26.A shop sells an average of 72 kg of sugar a day for 2 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  27. 27.Dev can finish a job in 9 days and Arjun in 7 days. What fraction of the job do they finish if they work together for 1 day? =
  28. 28.Tara and Rahul together finish a job in 2 days. Tara alone takes 4 days. How many days would Rahul take alone?
  29. 29.The simple interest on ₹9600 for 5 years is ₹1440. What is the rate of interest (% per year)?
  30. 30.What is the difference between the compound interest and the simple interest on ₹10800 at 25% per year for 2 years (in ₹)?
  31. 31.Marks of 5 friends in a quiz: 37, 45, 37, 35, 96. What is their average mark?
  32. 32.A pressure cooker is marked at ₹4140. The shop gives a 15% discount. How much do you pay (in ₹)?
  33. 33.Kabir cycles to his school at 12 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
  34. 34.A water tank holds 1700 litres. 30% of the water is used. How many litres are left?
  35. 35.Find the compound interest on ₹22000 at 10% per year for 3 years, added every year (in ₹).
  36. 36.A bus runs at 52 km/h. How far does it go in 45 minutes (in km)?
  37. 37.Marks of 4 friends in a quiz: 52, 81, 56, 79. What is their average mark?
  38. 38.Arjun’s father is three times as old as Arjun. The sum of their ages is 40 years. How old is Arjun?
  39. 39.Change 30 m/s into km/h.
  40. 40.The price of a school bag changes from ₹1360 to ₹2040. By what percent did it go up?

Answer key

  1. 3000
  2. 26
  3. 38
  4. 19
  5. 2954
  6. 130
  7. 126
  8. 12
  9. 35152
  10. 12
  11. 9000
  12. 5
  13. 170
  14. 24334
  15. 2
  16. 26
  17. 38
  18. 3
  19. 40
  20. 12
  21. 65
  22. 4634
  23. 50
  24. 81/182
  25. 5
  26. 45
  27. 16/63
  28. 4
  29. 3
  30. 675
  31. 50
  32. 3519
  33. 15
  34. 1190
  35. 7282
  36. 39
  37. 67
  38. 10
  39. 108
  40. 50

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