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Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 757 · 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 ₹6700 at 10% per year for 2 years (in ₹)?
  2. 2.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
  3. 3.A watch marked at ₹2020 is sold for ₹1010. What is the discount percent?
  4. 4.Pooja can finish a job in 14 days and Rahul in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  5. 5.What sum of money earns ₹1788 simple interest in 1 year at 12% per year (in ₹)?
  6. 6.By selling a pressure cooker for ₹1164, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
  7. 7.The average weight of 10 children is 32 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.A pair of shoes marked at ₹500 is sold for ₹250. What is the discount percent?
  9. 9.In how many years will ₹6400 earn ₹832 as simple interest at 13% per year?
  10. 10.By selling a cricket bat for ₹1168, a shopkeeper makes a loss of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
  11. 11.A water tank holds 780 litres. 25% of the water is used. How many litres are left?
  12. 12.By selling a bicycle for ₹1296, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
  13. 13.The price of a school bag changes from ₹3440 to ₹4472. By what percent did it go up?
  14. 14.A water tank holds 200 litres. 25% of the water is used. How many litres are left?
  15. 15.Diya puts ₹12900 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
  16. 16.The simple interest on ₹16600 for 4 years is ₹1328. What is the rate of interest (% per year)?
  17. 17.In 7 years, Tara will be three times as old as Tara was 3 years ago. How old is Tara now?
  18. 18.A shop sells an average of 65 kg of sugar a day for 4 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.Diya can finish a job in 10 days and Rohan in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  20. 20.A bicycle is marked at ₹1220. The shop gives a 5% discount. How much do you pay (in ₹)?
  21. 21.3 years ago, Arjun’s mother was twice as old as Arjun. The mother is 15 years old now. How old is Arjun now?
  22. 22.A town has 560 people. Its population grows by 10%. How many people live there now?
  23. 23.Ishaan and Farhan together finish a job in 5 days. Ishaan alone takes 6 days. How many days would Farhan take alone?
  24. 24.What is the difference between the compound interest and the simple interest on ₹20800 at 5% per year for 2 years (in ₹)?
  25. 25.Meera can finish a job in 8 days and Nisha in 4 days. What fraction of the job do they finish if they work together for 1 day? =
  26. 26.A bus runs at 24 km/h. How far does it go in 40 minutes (in km)?
  27. 27.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
  28. 28.Kavya can finish a job in 8 days and Sneha in 7 days. What fraction of the job do they finish if they work together for 1 day? =
  29. 29.A pair of shoes is marked at ₹1520. The shop gives a 20% discount. How much do you pay (in ₹)?
  30. 30.Change 36 km/h into metres per second.
  31. 31.A table fan marked at ₹1700 is sold for ₹1615. What is the discount percent?
  32. 32.The simple interest on ₹15300 for 3 years is ₹5049. What is the rate of interest (% per year)?
  33. 33.What is the difference between the compound interest and the simple interest on ₹600 at 20% per year for 2 years (in ₹)?
  34. 34.In 18 years, Pooja will be three times as old as Pooja was 6 years ago. How old is Pooja now?
  35. 35.Karan can finish a job in 17 days and Tara in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
  36. 36.In how many years will ₹7600 earn ₹2736 as simple interest at 9% per year?
  37. 37.Isha’s father is five times as old as Isha. The sum of their ages is 36 years. How old is the father?
  38. 38.Find the simple interest on ₹12600 at 12% per year for 5 years (in ₹).
  39. 39.Arjun can finish a job in 16 days and Vivaan in 24 days. Arjun works alone for 10 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
  40. 40.Marks of 4 friends in a quiz: 67, 56, 68, 37. What is their average mark?

Answer key

  1. 67
  2. 55
  3. 50
  4. 42/17
  5. 14900
  6. 1940
  7. 29
  8. 50
  9. 1
  10. 1460
  11. 585
  12. 1440
  13. 30
  14. 150
  15. 13287
  16. 2
  17. 8
  18. 69
  19. 30/13
  20. 1159
  21. 9
  22. 616
  23. 30
  24. 52
  25. 3/8
  26. 16
  27. 272
  28. 15/56
  29. 1216
  30. 10
  31. 5
  32. 11
  33. 24
  34. 18
  35. 34/19
  36. 4
  37. 30
  38. 7560
  39. 9
  40. 57

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