Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 426 · 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.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹16100 at 10% per year for 2 years (in ₹)?
3. 3.Find the amount when ₹26800 is invested at 10% per year compound interest for 2 years (in ₹).
4. 4.A study lamp is marked at ₹750. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
5. 5.Rohan can finish a job in 10 days and Karan in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.Priya is 10 years older than Kabir. In 7 years, the sum of their ages will be 46. How old is Kabir now?
7. 7.Zoya works twice as fast as Aditya. Together they finish a job in 4 days. How many days would Aditya take alone?
8. 8.The average of 6 numbers is 47. When one more number is added, the average becomes 48. What number was added?
9. 9.Dev can finish a job in 18 days and Nisha in 15 days. Dev works alone for 6 days and then stops. Nisha finishes the rest. How many days does Nisha take?
10. 10.A study lamp bought for ₹1260 is sold at a profit of 5%. What is the selling price (in ₹)?
11. 11.Dev and Karan together finish a job in 4 days. Dev alone takes 5 days. How many days would Karan take alone?
12. 12.A bicycle is marked at ₹510. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
13. 13.The price of a bicycle is ₹780. It goes up by 5%. What is the new price (in ₹)?
14. 14.Dev and Rahul together finish a job in 9 days. Dev alone takes 10 days. How many days would Rahul take alone?
15. 15.The average weight of 8 children is 46 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
16. 16.A pressure cooker marked at ₹3580 is sold for ₹3043. What is the discount percent?
17. 17.A study lamp marked at ₹420 is sold for ₹399. What is the discount percent?
18. 18.By selling a watch for ₹209, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
19. 19.A cricket bat is marked at ₹664. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
20. 20.By selling a pair of shoes for ₹2064, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
21. 21.A price comes down by 25% and then comes down by 20% more. By what percent has it come down in all? =
22. 22.The price of a school bag changes from ₹2380 to ₹2618. By what percent did it go up?
23. 23.A study lamp is marked at ₹500. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
24. 24.By selling a cricket bat for ₹119, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.A table fan bought for ₹1920 is sold at a profit of 5%. What is the selling price (in ₹)?
26. 26.Isha and Farhan together finish a job in 2 days. Isha alone takes 3 days. How many days would Farhan take alone?
27. 27.A pair of shoes bought for ₹860 is sold at a loss of 5%. What is the selling price (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
29. 29.Marks of 4 friends in a quiz: 63, 71, 84, 58. What is their average mark?
30. 30.A shopkeeper buys a bicycle for ₹900 and sells it for ₹720. Find the loss percent.
31. 31.Isha can finish a job in 10 days and Diya in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
33. 33.What sum of money earns ₹3060 simple interest in 5 years at 6% per year (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹28300 at 20% per year for 2 years (in ₹)?
35. 35.A water tank holds 1380 litres. 20% of the water is used. How many litres are left?
36. 36.Zoya’s father is three times as old as Zoya. The sum of their ages is 56 years. How old is the father?
37. 37.After a 15% discount, a table fan costs ₹3094. What was its marked price (in ₹)?
38. 38.A bicycle is marked at ₹488. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
39. 39.After a 15% discount, a watch costs ₹748. What was its marked price (in ₹)?
40. 40.A table fan is marked at ₹1140. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?

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