Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 409 · 40 questions

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.

1. 1.A watch is marked at ₹595. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
2. 2.Kabir cycles to his school at 90 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.A pressure cooker is marked at ₹3080. The shop gives a 50% discount. How much do you pay (in ₹)?
4. 4.The average of 6 numbers is 22. When one more number is added, the average becomes 23. What number was added?
5. 5.A price comes down by 40% and then comes down by 20% more. By what percent has it come down in all? =
6. 6.What sum of money earns ₹4340 simple interest in 5 years at 14% per year (in ₹)?
7. 7.The price of a school bag changes from ₹3720 to ₹4464. By what percent did it go up?
8. 8.A shopkeeper buys a watch for ₹1000 and sells it for ₹1050. Find the profit percent.
9. 9.The price of a school bag changes from ₹140 to ₹98. By what percent did it come down?
10. 10.How many minutes does a car take to go 116 km at 30 km/h?
11. 11.Diya can finish a job in 20 days and Manav in 9 days. What fraction of the job do they finish if they work together for 1 day? =
12. 12.In 12 years, Pooja will be three times as old as Pooja was 2 years ago. How old is Pooja now?
13. 13.A pressure cooker is marked at ₹4020. The shop gives a 10% discount. How much do you pay (in ₹)?
14. 14.The simple interest on ₹19300 for 4 years is ₹1544. What is the rate of interest (% per year)?
15. 15.A price comes down by 5% and then comes down by 50% more. By what percent has it come down in all? =
16. 16.By selling a cricket bat for ₹840, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
17. 17.The price of a bicycle is ₹2760. It goes up by 15%. What is the new price (in ₹)?
18. 18.A price goes up by 10% and then goes up by 5% more. By what percent has it gone up in all? =
19. 19.By selling a pair of shoes for ₹2600, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
20. 20.9 years ago, Kavya’s mother was three times as old as Kavya. The mother is 18 years old now. How old is Kavya now?
21. 21.A watch bought for ₹1860 is sold at a loss of 30%. What is the selling price (in ₹)?
22. 22.Find the compound interest on ₹26850 at 20% per year for 2 years, added every year (in ₹).
23. 23.A town has 400 people. Its population grows by 30%. How many people live there now?
24. 24.7 years ago, Ananya’s mother was four times as old as Ananya. The mother is 23 years old now. How old is Ananya now?
25. 25.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
26. 26.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
27. 27.Find the simple interest on ₹7400 at 8% per year for 2 years (in ₹).
28. 28.Find the amount when ₹22500 is invested at 8% per year compound interest for 2 years (in ₹).
29. 29.A shop sells an average of 45 kg of sugar a day for 6 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
30. 30.A bicycle is marked at ₹2220. The shop gives a 5% discount. How much do you pay (in ₹)?
31. 31.A bus runs at 22 km/h. How far does it go in 90 minutes (in km)?
32. 32.Marks of 5 friends in a quiz: 69, 79, 49, 67, 56. What is their average mark?
33. 33.Farhan can finish a job in 9 days and Dev in 24 days. Farhan works alone for 3 days and then stops. Dev finishes the rest. How many days does Dev take?
34. 34.Isha can finish a job in 27 days and Rohan in 9 days. Isha works alone for 18 days and then stops. Rohan finishes the rest. How many days does Rohan take?
35. 35.Diya puts ₹5300 in a bank at 10% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.Find the compound interest on ₹36000 at 10% per year for 3 years, added every year (in ₹).
37. 37.Marks of 6 friends in a quiz: 78, 70, 78, 87, 81, 56. What is their average mark?
38. 38.The price of a school bag changes from ₹4760 to ₹5950. By what percent did it go up?
39. 39.The price of a school bag changes from ₹1440 to ₹1584. By what percent did it go up?
40. 40.Change 108 km/h into metres per second.

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