Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 465 · 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.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
2. 2.A price goes up by 25% and then goes up by 30% more. By what percent has it gone up in all? =
3. 3.Marks of 5 friends in a quiz: 26, 11, 13, 26, 44. What is their average mark?
4. 4.The price of a school bag changes from ₹1560 to ₹1482. By what percent did it come down?
5. 5.A pair of shoes is marked at ₹584. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
6. 6.A price goes up by 10% and then goes up by 10% more. By what percent has it gone up in all? =
7. 7.Change 35 m/s into km/h.
8. 8.Change 90 km/h into metres per second.
9. 9.Find the simple interest on ₹4300 at 10% per year for 2 years (in ₹).
10. 10.A price goes up by 30% and then comes down by 10%. By what percent has it gone up in all? =
11. 11.Find the amount when ₹800 is invested at 5% per year compound interest for 2 years (in ₹).
12. 12.In how many years will ₹17100 earn ₹2394 as simple interest at 14% per year?
13. 13.After a 40% discount, a cricket bat costs ₹2148. What was its marked price (in ₹)?
14. 14.In 23 years, Farhan will be twice as old as Farhan was 4 years ago. How old is Farhan now?
15. 15.The simple interest on ₹15800 for 1 year is ₹316. What is the rate of interest (% per year)?
16. 16.A price comes down by 10% and then comes down by 30% more. By what percent has it come down in all? =
17. 17.Find the amount when ₹41875 is invested at 12% per year compound interest for 2 years (in ₹).
18. 18.A water tank holds 4300 litres. 30% of the water is used. How many litres are left?
19. 19.Change 5 m/s into km/h.
20. 20.Kabir cycles to his school at 33 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.By selling a table fan for ₹1260, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
22. 22.Find the simple interest on ₹15300 at 8% per year for 5 years (in ₹).
23. 23.Find the compound interest on ₹38400 at 15% per year for 2 years, added every year (in ₹).
24. 24.Diya puts ₹11000 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
25. 25.The simple interest on ₹15300 for 5 years is ₹10710. What is the rate of interest (% per year)?
26. 26.Farhan’s father is twice as old as Farhan. The sum of their ages is 24 years. How old is the father?
27. 27.The average of 7 numbers is 25. When one more number is added, the average becomes 31. What number was added?
28. 28.Rohan’s batting average after 13 innings is 46 runs. How many runs must Rohan score in the next innings to raise the average to 50?
29. 29.A table fan bought for ₹380 is sold at a loss of 25%. What is the selling price (in ₹)?
30. 30.Aarav can finish a job in 13 days and Saanvi in 26 days. Aarav works alone for 1 day and then stops. Saanvi finishes the rest. How many days does Saanvi take?
31. 31.Aarav’s batting average after 12 innings is 30 runs. How many runs must Aarav score in the next innings to raise the average to 34?
32. 32.A water tank holds 1480 litres. 15% of the water is used. How many litres are left?
33. 33.A table fan is marked at ₹3940. The shop gives a 25% discount. How much do you pay (in ₹)?
34. 34.What sum of money earns ₹10440 simple interest in 4 years at 15% per year (in ₹)?
35. 35.A bus runs at 36 km/h. How far does it go in 30 minutes (in km)?
36. 36.In 8 years, Kavya will be three times as old as Kavya was 4 years ago. How old is Kavya now?
37. 37.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
38. 38.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
39. 39.In 17 years, Kabir will be three times as old as Kabir was 5 years ago. How old is Kabir now?
40. 40.In how many years will ₹8800 earn ₹1320 as simple interest at 5% per year?

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