Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 454 · 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.Find the compound interest on ₹4928 at 25% per year for 3 years, added every year (in ₹).
2. 2.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
3. 3.A shop sells 4920 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
4. 4.Find the compound interest on ₹9600 at 5% per year for 2 years, added every year (in ₹).
5. 5.Rohan works twice as fast as Ananya. Together they finish a job in 3 days. How many days would Ananya take alone?
6. 6.A shop sells 1640 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
7. 7.Meera’s father is twice as old as Meera. The sum of their ages is 18 years. How old is Meera?
8. 8.A shopkeeper buys a cricket bat for ₹1900 and sells it for ₹1995. Find the profit percent.
9. 9.A bicycle is marked at ₹992. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
10. 10.Find the compound interest on ₹37000 at 10% per year for 3 years, added every year (in ₹).
11. 11.The price of a school bag changes from ₹1680 to ₹1764. By what percent did it go up?
12. 12.Sneha’s batting average after 14 innings is 47 runs. How many runs must Sneha score in the next innings to raise the average to 49?
13. 13.The average of 5 numbers is 53. When one more number is added, the average becomes 56. What number was added?
14. 14.In how many years will ₹16200 earn ₹810 as simple interest at 5% per year?
15. 15.Sneha’s father is three times as old as Sneha. The sum of their ages is 40 years. How old is Sneha?
16. 16.What is the difference between the compound interest and the simple interest on ₹42000 at 15% per year for 2 years (in ₹)?
17. 17.Marks of 4 friends in a quiz: 79, 70, 63, 44. What is their average mark?
18. 18.A shopkeeper buys a watch for ₹1240 and sells it for ₹620. Find the loss percent.
19. 19.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
20. 20.The price of a school bag changes from ₹2780 to ₹2085. By what percent did it come down?
21. 21.A bus runs at 33 km/h. How far does it go in 40 minutes (in km)?
22. 22.In 3 years, Meera will be three times as old as Meera was 5 years ago. How old is Meera now?
23. 23.Diya puts ₹4700 in a bank at 6% simple interest per year. How much will she have after 3 years (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹17500 at 8% per year for 2 years (in ₹)?
25. 25.A water tank holds 1740 litres. 40% of the water is used. How many litres are left?
26. 26.Kabir’s father is four times as old as Kabir. The sum of their ages is 40 years. How old is Kabir?
27. 27.A study lamp is marked at ₹1500. The shop gives a 20% discount. How much do you pay (in ₹)?
28. 28.Change 10 m/s into km/h.
29. 29.The price of a bicycle is ₹700. It goes up by 25%. What is the new price (in ₹)?
30. 30.How many minutes does a car take to go 116 km at 58 km/h?
31. 31.Find the amount when ₹8960 is invested at 25% per year compound interest for 3 years (in ₹).
32. 32.A town has 1360 people. Its population grows by 40%. How many people live there now?
33. 33.A pair of shoes is marked at ₹2160. The shop gives a 5% discount. How much do you pay (in ₹)?
34. 34.A cricket bat bought for ₹760 is sold at a profit of 40%. What is the selling price (in ₹)?
35. 35.By selling a cricket bat for ₹1876, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
36. 36.Diya is 6 years older than Isha. In 8 years, the sum of their ages will be 40. How old is Isha now?
37. 37.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
38. 38.The average of 9 numbers is 15. When one more number is added, the average becomes 21. What number was added?
39. 39.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
40. 40.A school bag bought for ₹680 is sold at a profit of 5%. What is the selling price (in ₹)?

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