Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 514 · 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.A pressure cooker bought for ₹1280 is sold at a loss of 15%. What is the selling price (in ₹)?
2. 2.Find the simple interest on ₹5600 at 4% per year for 1 year (in ₹).
3. 3.The average weight of 9 children is 44 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
4. 4.What sum of money earns ₹8400 simple interest in 5 years at 14% per year (in ₹)?
5. 5.A shopkeeper buys a table fan for ₹120 and sells it for ₹132. Find the profit percent.
6. 6.6 years ago, Diya’s mother was twice as old as Diya. The mother is 14 years old now. How old is Diya now?
7. 7.Marks of 5 friends in a quiz: 40, 34, 52, 49, 35. What is their average mark?
8. 8.Find the compound interest on ₹45500 at 20% per year for 2 years, added every year (in ₹).
9. 9.A shop sells an average of 54 kg of sugar a day for 2 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
10. 10.10 years ago, Tara’s mother was four times as old as Tara. The mother is 58 years old now. How old is Tara now?
11. 11.Change 108 km/h into metres per second.
12. 12.What sum of money earns ₹3680 simple interest in 5 years at 4% per year (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹12500 at 4% per year for 2 years (in ₹)?
14. 14.A watch is marked at ₹440. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
15. 15.The price of a school bag changes from ₹4600 to ₹5750. By what percent did it go up?
16. 16.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
17. 17.By selling a table fan for ₹532, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
18. 18.A bicycle is marked at ₹1560. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
19. 19.Marks of 4 friends in a quiz: 63, 77, 70, 78. What is their average mark?
20. 20.Kabir cycles to his school at 10 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.Marks of 4 friends in a quiz: 44, 21, 50, 25. What is their average mark?
22. 22.The average of 4 numbers is 55. When one more number is added, the average becomes 57. What number was added?
23. 23.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
24. 24.By selling a bicycle for ₹630, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
25. 25.The simple interest on ₹5600 for 1 year is ₹840. What is the rate of interest (% per year)?
26. 26.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
27. 27.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
28. 28.A shop sells an average of 48 kg of sugar a day for 3 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
29. 29.Arjun can finish a job in 6 days and Kabir in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.Find the simple interest on ₹2800 at 4% per year for 5 years (in ₹).
31. 31.What is the difference between the compound interest and the simple interest on ₹40400 at 5% per year for 2 years (in ₹)?
32. 32.A watch is marked at ₹500. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
33. 33.Isha’s batting average after 12 innings is 23 runs. How many runs must Isha score in the next innings to raise the average to 26?
34. 34.A car runs for 3 hours at 54 km/h and then for 3 hours at 24 km/h. What is its average speed for the whole journey (in km/h)?
35. 35.4 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 37 years old now. How old is Saanvi now?
36. 36.Find the compound interest on ₹16000 at 10% per year for 3 years, added every year (in ₹).
37. 37.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
38. 38.A price goes up by 10% and then goes up by 5% more. By what percent has it gone up in all? =
39. 39.Find the simple interest on ₹11900 at 8% per year for 2 years (in ₹).
40. 40.In 6 years, Pooja will be twice as old as Pooja was 3 years ago. How old is Pooja now?

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