Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 430 · 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 ₹36250 is invested at 12% per year compound interest for 2 years (in ₹).
2. 2.A bicycle bought for ₹1540 is sold at a loss of 30%. What is the selling price (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹9200 at 5% per year for 2 years (in ₹)?
4. 4.The average of 5 numbers is 22. When one more number is added, the average becomes 23. What number was added?
5. 5.Farhan is 9 years older than Diya. In 7 years, the sum of their ages will be 35. How old is Diya now?
6. 6.A water tank holds 1220 litres. 40% of the water is used. How many litres are left?
7. 7.A study lamp bought for ₹360 is sold at a loss of 15%. What is the selling price (in ₹)?
8. 8.What sum of money earns ₹6900 simple interest in 4 years at 15% per year (in ₹)?
9. 9.Manav works twice as fast as Rahul. Together they finish a job in 4 days. How many days would Rahul take alone?
10. 10.Kabir can finish a job in 9 days and Tara in 8 days. What fraction of the job do they finish if they work together for 2 days? =
11. 11.Find the compound interest on ₹35000 at 10% per year for 3 years, added every year (in ₹).
12. 12.The average of 8 numbers is 46. When one more number is added, the average becomes 49. What number was added?
13. 13.A water tank holds 280 litres. 50% of the water is used. How many litres are left?
14. 14.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
15. 15.Kabir can finish a job in 18 days and Priya in 19 days. What fraction of the job do they finish if they work together for 1 day? =
16. 16.A study lamp bought for ₹920 is sold at a profit of 30%. What is the selling price (in ₹)?
17. 17.By selling a study lamp for ₹1050, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
19. 19.Arjun’s batting average after 12 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 40?
20. 20.A price comes down by 25% and then comes down by 50% more. By what percent has it come down in all? =
21. 21.The average of 4 numbers is 50. When one more number is added, the average becomes 54. What number was added?
22. 22.Aarav can finish a job in 2 days and Nisha in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.Rohan and Aarav together finish a job in 9 days. Rohan alone takes 10 days. How many days would Aarav take alone?
24. 24.Pooja works three times as fast as Aarav. Together they finish a job in 7 days. How many days would Aarav take alone?
25. 25.A water tank holds 960 litres. 5% of the water is used. How many litres are left?
26. 26.Find the simple interest on ₹10800 at 15% per year for 4 years (in ₹).
27. 27.A shop sells an average of 76 kg of sugar a day for 3 days, and then 20 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
28. 28.Rahul’s batting average after 9 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 39?
29. 29.The price of a bicycle is ₹140. It goes up by 40%. What is the new price (in ₹)?
30. 30.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
31. 31.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
32. 32.Priya’s father is four times as old as Priya. The sum of their ages is 35 years. How old is the father?
33. 33.After a 30% discount, a watch costs ₹2436. What was its marked price (in ₹)?
34. 34.A study lamp is marked at ₹4540. The shop gives a 5% discount. How much do you pay (in ₹)?
35. 35.A car runs for 1 hour at 51 km/h and then for 4 hours at 66 km/h. What is its average speed for the whole journey (in km/h)?
36. 36.Rahul and Rohan together finish a job in 6 days. Rahul alone takes 24 days. How many days would Rohan take alone?
37. 37.The price of a school bag changes from ₹100 to ₹140. By what percent did it go up?
38. 38.A pressure cooker bought for ₹400 is sold at a loss of 50%. What is the selling price (in ₹)?
39. 39.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
40. 40.A bicycle is marked at ₹4220. The shop gives a 10% discount. How much do you pay (in ₹)?

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