Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 144 · 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.In 19 years, Ananya will be three times as old as Ananya was 3 years ago. How old is Ananya now?
2. 2.A shop sells an average of 67 kg of sugar a day for 4 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
3. 3.Zoya can finish a job in 11 days and Karan in 22 days. Zoya works alone for 1 day and then stops. Karan finishes the rest. How many days does Karan take?
4. 4.The price of a school bag changes from ₹4360 to ₹5668. By what percent did it go up?
5. 5.Find the compound interest on ₹42064 at 25% per year for 2 years, added every year (in ₹).
6. 6.By selling a study lamp for ₹672, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
7. 7.Rahul’s batting average after 6 innings is 40 runs. How many runs must Rahul score in the next innings to raise the average to 44?
8. 8.By selling a table fan for ₹1463, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
9. 9.Marks of 6 friends in a quiz: 10, 21, 24, 7, 16, 42. What is their average mark?
10. 10.A price goes up by 40% and then comes down by 5%. By what percent has it gone up in all? =
11. 11.A pressure cooker bought for ₹740 is sold at a profit of 5%. What is the selling price (in ₹)?
12. 12.How many minutes does a car take to go 124 km at 40 km/h?
13. 13.Marks of 4 friends in a quiz: 20, 13, 9, 50. What is their average mark?
14. 14.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹25000 at 12% per year for 2 years (in ₹)?
16. 16.A pressure cooker bought for ₹440 is sold at a profit of 50%. What is the selling price (in ₹)?
17. 17.Find the simple interest on ₹1600 at 13% per year for 5 years (in ₹).
18. 18.A shopkeeper buys a study lamp for ₹1940 and sells it for ₹2134. Find the profit percent.
19. 19.The average of 5 numbers is 28. When one more number is added, the average becomes 30. What number was added?
20. 20.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
21. 21.A bicycle is marked at ₹720. The shop gives a 10% discount. How much do you pay (in ₹)?
22. 22.Find the amount when ₹6250 is invested at 12% per year compound interest for 2 years (in ₹).
23. 23.By selling a pair of shoes for ₹1125, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
24. 24.Rohan works twice as fast as Dev. Together they finish a job in 9 days. How many days would Dev take alone?
25. 25.Marks of 6 friends in a quiz: 61, 44, 55, 62, 40, 20. What is their average mark?
26. 26.By selling a study lamp for ₹1540, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
27. 27.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
28. 28.The average of 7 numbers is 54. When one more number is added, the average becomes 57. What number was added?
29. 29.Diya puts ₹14100 in a bank at 12% simple interest per year. How much will she have after 5 years (in ₹)?
30. 30.Isha can finish a job in 5 days and Sneha in 20 days. Isha works alone for 4 days and then stops. Sneha finishes the rest. How many days does Sneha take?
31. 31.By selling a table fan for ₹168, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
32. 32.A school bag bought for ₹900 is sold at a loss of 50%. What is the selling price (in ₹)?
33. 33.The price of a school bag changes from ₹4280 to ₹4494. By what percent did it go up?
34. 34.A watch marked at ₹3400 is sold for ₹3060. What is the discount percent?
35. 35.Marks of 4 friends in a quiz: 49, 56, 36, 55. What is their average mark?
36. 36.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
37. 37.Kabir cycles to his school at 48 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.A shopkeeper buys a school bag for ₹920 and sells it for ₹460. Find the loss percent.
39. 39.Find the compound interest on ₹32000 at 5% per year for 2 years, added every year (in ₹).
40. 40.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).

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