Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 297 · 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.The average of 5 numbers is 54. When one more number is added, the average becomes 58. What number was added?
2. 2.A study lamp bought for ₹1660 is sold at a profit of 40%. What is the selling price (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹34000 at 15% per year for 2 years (in ₹)?
4. 4.The average of 8 numbers is 31. When one more number is added, the average becomes 35. What number was added?
5. 5.Change 5 m/s into km/h.
6. 6.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
7. 7.By selling a cricket bat for ₹476, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
8. 8.Karan is 2 years older than Meera. In 4 years, the sum of their ages will be 48. How old is Meera now?
9. 9.The average of 4 numbers is 30. When one more number is added, the average becomes 32. What number was added?
10. 10.After a 10% discount, a watch costs ₹1962. What was its marked price (in ₹)?
11. 11.The price of a bicycle is ₹2060. It goes up by 15%. What is the new price (in ₹)?
12. 12.Dev’s father is twice as old as Dev. The sum of their ages is 15 years. How old is Dev?
13. 13.Ananya and Rohan together finish a job in 2 days. Ananya alone takes 4 days. How many days would Rohan take alone?
14. 14.Aarav can finish a job in 7 days and Arjun in 28 days. Aarav works alone for 5 days and then stops. Arjun finishes the rest. How many days does Arjun take?
15. 15.In 15 years, Manav will be twice as old as Manav was 4 years ago. How old is Manav now?
16. 16.The price of a bicycle is ₹4500. It goes up by 30%. What is the new price (in ₹)?
17. 17.A study lamp marked at ₹1800 is sold for ₹1710. What is the discount percent?
18. 18.A car runs for 3 hours at 70 km/h and then for 4 hours at 28 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.What sum of money earns ₹2196 simple interest in 2 years at 9% per year (in ₹)?
20. 20.Kabir cycles to his school at 30 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.The price of a school bag changes from ₹3720 to ₹3348. By what percent did it come down?
22. 22.Rohan can finish a job in 9 days and Meera in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.A shop sells an average of 34 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
24. 24.In how many years will ₹4600 earn ₹2760 as simple interest at 15% per year?
25. 25.Zoya can finish a job in 20 days and Priya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.A school bag bought for ₹1600 is sold at a loss of 30%. What is the selling price (in ₹)?
27. 27.The price of a school bag changes from ₹2560 to ₹2816. By what percent did it go up?
28. 28.The price of a school bag changes from ₹640 to ₹736. By what percent did it go up?
29. 29.The simple interest on ₹10600 for 1 year is ₹636. What is the rate of interest (% per year)?
30. 30.A pair of shoes is marked at ₹3920. The shop gives a 40% discount. How much do you pay (in ₹)?
31. 31.Aarav is 7 years older than Rohan. In 10 years, the sum of their ages will be 65. How old is Rohan now?
32. 32.A shop sells an average of 27 kg of sugar a day for 6 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
33. 33.Aarav can finish a job in 18 days and Nisha in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A shopkeeper buys a pressure cooker for ₹1940 and sells it for ₹2716. Find the profit percent.
35. 35.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
36. 36.A shopkeeper buys a bicycle for ₹1180 and sells it for ₹1652. Find the profit percent.
37. 37.By selling a cricket bat for ₹1512, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
38. 38.Diya puts ₹5800 in a bank at 4% simple interest per year. How much will she have after 2 years (in ₹)?
39. 39.The price of a school bag changes from ₹60 to ₹63. By what percent did it go up?
40. 40.A shop sells an average of 21 kg of sugar a day for 3 days, and then 53 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?

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