Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 307 · 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.Diya puts ₹18700 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
2. 2.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
3. 3.Marks of 5 friends in a quiz: 69, 98, 87, 81, 80. What is their average mark?
4. 4.A water tank holds 3160 litres. 10% of the water is used. How many litres are left?
5. 5.By selling a pair of shoes for ₹370, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
6. 6.A car runs for 1 hour at 63 km/h and then for 1 hour at 51 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.The price of a bicycle is ₹3680. It goes up by 30%. What is the new price (in ₹)?
8. 8.A water tank holds 4640 litres. 5% of the water is used. How many litres are left?
9. 9.A shop sells an average of 23 kg of sugar a day for 4 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
10. 10.The simple interest on ₹19300 for 4 years is ₹6176. What is the rate of interest (% per year)?
11. 11.Pooja and Aditya together finish a job in 3 days. Pooja alone takes 6 days. How many days would Aditya take alone?
12. 12.In 27 years, Vivaan will be twice as old as Vivaan was 3 years ago. How old is Vivaan now?
13. 13.Find the amount when ₹3000 is invested at 10% per year compound interest for 3 years (in ₹).
14. 14.What is the difference between the compound interest and the simple interest on ₹28800 at 25% per year for 2 years (in ₹)?
15. 15.The price of a school bag changes from ₹2120 to ₹2544. By what percent did it go up?
16. 16.Arjun’s batting average after 5 innings is 41 runs. How many runs must Arjun score in the next innings to raise the average to 44?
17. 17.Saanvi can finish a job in 11 days and Arjun in 20 days. What fraction of the job do they finish if they work together for 2 days? =
18. 18.The average of 4 numbers is 26. When one more number is added, the average becomes 30. What number was added?
19. 19.Marks of 5 friends in a quiz: 62, 42, 57, 42, 67. What is their average mark?
20. 20.A shopkeeper buys a pair of shoes for ₹1900 and sells it for ₹950. Find the loss percent.
21. 21.A shop sells an average of 63 kg of sugar a day for 2 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
22. 22.What is the difference between the compound interest and the simple interest on ₹22500 at 8% per year for 2 years (in ₹)?
23. 23.Diya puts ₹600 in a bank at 13% simple interest per year. How much will she have after 5 years (in ₹)?
24. 24.A watch is marked at ₹4060. The shop gives a 5% discount. How much do you pay (in ₹)?
25. 25.Find the amount when ₹7000 is invested at 10% per year compound interest for 3 years (in ₹).
26. 26.Diya puts ₹8400 in a bank at 6% simple interest per year. How much will she have after 4 years (in ₹)?
27. 27.Arjun works twice as fast as Diya. Together they finish a job in 6 days. How many days would Diya take alone?
28. 28.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
29. 29.Marks of 6 friends in a quiz: 50, 56, 38, 40, 61, 43. What is their average mark?
30. 30.The average of 9 numbers is 25. When one more number is added, the average becomes 28. What number was added?
31. 31.Arjun and Karan together finish a job in 5 days. Arjun alone takes 6 days. How many days would Karan take alone?
32. 32.A shopkeeper buys a bicycle for ₹1540 and sells it for ₹2310. Find the profit percent.
33. 33.The average of 5 numbers is 48. When one more number is added, the average becomes 49. What number was added?
34. 34.A school bag is marked at ₹1320. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
35. 35.A school bag bought for ₹800 is sold at a loss of 30%. What is the selling price (in ₹)?
36. 36.What sum of money earns ₹330 simple interest in 1 year at 11% per year (in ₹)?
37. 37.Find the amount when ₹36000 is invested at 10% per year compound interest for 3 years (in ₹).
38. 38.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
39. 39.Rohan is 7 years older than Sneha. In 7 years, the sum of their ages will be 41. How old is Sneha now?
40. 40.What sum of money earns ₹5060 simple interest in 4 years at 11% per year (in ₹)?

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