Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 618 · 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.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)?
2. 2.A pressure cooker is marked at ₹1600. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
3. 3.In 21 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
4. 4.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
5. 5.Find the amount when ₹4800 is invested at 10% per year compound interest for 2 years (in ₹).
6. 6.A table fan bought for ₹320 is sold at a loss of 20%. What is the selling price (in ₹)?
7. 7.Kabir and Sneha together finish a job in 2 days. Kabir alone takes 3 days. How many days would Sneha take alone?
8. 8.A watch bought for ₹1840 is sold at a profit of 15%. What is the selling price (in ₹)?
9. 9.The average of 7 numbers is 47. When one more number is added, the average becomes 48. What number was added?
10. 10.A water tank holds 4240 litres. 5% of the water is used. How many litres are left?
11. 11.A town has 4460 people. Its population grows by 30%. How many people live there now?
12. 12.The simple interest on ₹5500 for 5 years is ₹4125. What is the rate of interest (% per year)?
13. 13.By selling a pair of shoes for ₹220, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
14. 14.A price comes down by 15% and then comes down by 50% more. By what percent has it come down in all? =
15. 15.The price of a school bag changes from ₹2000 to ₹1700. By what percent did it come down?
16. 16.A car runs for 4 hours at 20 km/h and then for 4 hours at 68 km/h. What is its average speed for the whole journey (in km/h)?
17. 17.What is the difference between the compound interest and the simple interest on ₹33600 at 25% per year for 2 years (in ₹)?
18. 18.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
19. 19.By selling a table fan for ₹666, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
20. 20.Find the compound interest on ₹6000 at 10% per year for 3 years, added every year (in ₹).
21. 21.Diya can finish a job in 3 days and Ishaan in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
22. 22.A shopkeeper buys a bicycle for ₹680 and sells it for ₹340. Find the loss percent.
23. 23.The simple interest on ₹19400 for 1 year is ₹1940. What is the rate of interest (% per year)?
24. 24.The average of 5 numbers is 49. When one more number is added, the average becomes 50. What number was added?
25. 25.In how many years will ₹19100 earn ₹8595 as simple interest at 9% per year?
26. 26.Vivaan’s batting average after 15 innings is 42 runs. How many runs must Vivaan score in the next innings to raise the average to 45?
27. 27.The price of a bicycle is ₹2700. It goes up by 30%. What is the new price (in ₹)?
28. 28.Diya puts ₹2800 in a bank at 5% simple interest per year. How much will she have after 1 year (in ₹)?
29. 29.Change 18 km/h into metres per second.
30. 30.In 8 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?
31. 31.Find the amount when ₹8400 is invested at 10% per year compound interest for 2 years (in ₹).
32. 32.A study lamp marked at ₹1820 is sold for ₹1092. What is the discount percent?
33. 33.Farhan’s father is four times as old as Farhan. The sum of their ages is 25 years. How old is Farhan?
34. 34.The price of a school bag changes from ₹4500 to ₹6750. By what percent did it go up?
35. 35.Marks of 4 friends in a quiz: 91, 83, 97, 73. What is their average mark?
36. 36.Marks of 5 friends in a quiz: 76, 78, 75, 71, 80. What is their average mark?
37. 37.A water tank holds 460 litres. 10% of the water is used. How many litres are left?
38. 38.Find the amount when ₹20400 is invested at 15% per year compound interest for 2 years (in ₹).
39. 39.A shopkeeper buys a study lamp for ₹940 and sells it for ₹846. Find the loss percent.
40. 40.3 years ago, Nisha’s mother was four times as old as Nisha. The mother is 19 years old now. How old is Nisha now?

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