Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 591 · 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 amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
2. 2.A shopkeeper buys a bicycle for ₹1180 and sells it for ₹1770. Find the profit percent.
3. 3.In how many years will ₹15300 earn ₹3060 as simple interest at 10% per year?
4. 4.Diya puts ₹14400 in a bank at 15% simple interest per year. How much will she have after 2 years (in ₹)?
5. 5.What sum of money earns ₹1768 simple interest in 4 years at 13% per year (in ₹)?
6. 6.A pressure cooker is marked at ₹775. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
7. 7.Kabir is 8 years older than Sneha. In 2 years, the sum of their ages will be 46. How old is Sneha now?
8. 8.A water tank holds 4120 litres. 30% of the water is used. How many litres are left?
9. 9.A pair of shoes bought for ₹920 is sold at a profit of 15%. What is the selling price (in ₹)?
10. 10.The price of a school bag changes from ₹2260 to ₹2938. By what percent did it go up?
11. 11.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
12. 12.A school bag marked at ₹220 is sold for ₹165. What is the discount percent?
13. 13.Marks of 5 friends in a quiz: 45, 41, 18, 26, 25. What is their average mark?
14. 14.Rahul and Dev together finish a job in 6 days. Rahul alone takes 12 days. How many days would Dev take alone?
15. 15.The average of 5 numbers is 56. When one more number is added, the average becomes 58. What number was added?
16. 16.Priya is 7 years older than Meera. In 8 years, the sum of their ages will be 67. How old is Meera now?
17. 17.Kavya can finish a job in 5 days and Zoya in 10 days. Kavya works alone for 2 days and then stops. Zoya finishes the rest. How many days does Zoya take?
18. 18.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
19. 19.A shopkeeper buys a school bag for ₹1760 and sells it for ₹2024. Find the profit percent.
20. 20.Arjun can finish a job in 11 days and Sneha in 7 days. What fraction of the job do they finish if they work together for 1 day? =
21. 21.A price goes up by 30% and then goes up by 30% more. By what percent has it gone up in all? =
22. 22.Marks of 5 friends in a quiz: 38, 58, 44, 56, 19. What is their average mark?
23. 23.Find the amount when ₹15625 is invested at 12% per year compound interest for 3 years (in ₹).
24. 24.What sum of money earns ₹2338 simple interest in 1 year at 14% per year (in ₹)?
25. 25.Vivaan can finish a job in 7 days and Tara in 12 days. What fraction of the job do they finish if they work together for 3 days? =
26. 26.A watch marked at ₹1200 is sold for ₹960. What is the discount percent?
27. 27.A study lamp bought for ₹640 is sold at a profit of 10%. What is the selling price (in ₹)?
28. 28.Change 30 m/s into km/h.
29. 29.A water tank holds 2400 litres. 5% of the water is used. How many litres are left?
30. 30.Change 72 km/h into metres per second.
31. 31.Kabir is 6 years older than Vivaan. In 6 years, the sum of their ages will be 66. How old is Vivaan now?
32. 32.After a 40% discount, a pair of shoes costs ₹2232. What was its marked price (in ₹)?
33. 33.Marks of 6 friends in a quiz: 23, 48, 43, 21, 28, 47. What is their average mark?
34. 34.Karan is 9 years older than Vivaan. In 6 years, the sum of their ages will be 77. How old is Vivaan now?
35. 35.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
36. 36.A pair of shoes is marked at ₹3640. The shop gives a 5% discount. How much do you pay (in ₹)?
37. 37.Find the simple interest on ₹14600 at 8% per year for 4 years (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹8400 at 5% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹31750 at 20% per year for 3 years, added every year (in ₹).
40. 40.How many minutes does a car take to go 147 km at 36 km/h?

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