Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 505 · 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.Aarav can finish a job in 6 days and Manav in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.The average of 4 numbers is 33. When one more number is added, the average becomes 38. What number was added?
3. 3.Marks of 6 friends in a quiz: 53, 66, 68, 47, 58, 62. What is their average mark?
4. 4.A town has 580 people. Its population grows by 30%. How many people live there now?
5. 5.A pressure cooker bought for ₹120 is sold at a profit of 50%. What is the selling price (in ₹)?
6. 6.Marks of 6 friends in a quiz: 51, 44, 50, 53, 47, 25. What is their average mark?
7. 7.A shop sells an average of 70 kg of sugar a day for 4 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
8. 8.In 15 years, Zoya will be three times as old as Zoya was 3 years ago. How old is Zoya now?
9. 9.The price of a bicycle is ₹4760. It goes up by 25%. What is the new price (in ₹)?
10. 10.Find the amount when ₹26000 is invested at 10% per year compound interest for 3 years (in ₹).
11. 11.Aditya’s father is three times as old as Aditya. The sum of their ages is 48 years. How old is Aditya?
12. 12.By selling a bicycle for ₹96, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
13. 13.Diya is 9 years older than Rohan. In 9 years, the sum of their ages will be 83. How old is Rohan now?
14. 14.Find the simple interest on ₹4900 at 11% per year for 4 years (in ₹).
15. 15.Find the simple interest on ₹13400 at 12% per year for 2 years (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹39400 at 10% per year for 2 years (in ₹)?
17. 17.Rahul can finish a job in 6 days and Priya in 28 days. Rahul works alone for 3 days and then stops. Priya finishes the rest. How many days does Priya take?
18. 18.By selling a pair of shoes for ₹792, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
19. 19.Find the simple interest on ₹5900 at 14% per year for 5 years (in ₹).
20. 20.Marks of 5 friends in a quiz: 74, 88, 95, 96, 87. What is their average mark?
21. 21.By selling a school bag for ₹1539, a shopkeeper makes a loss of 5%. What did the school bag cost the shopkeeper (in ₹)?
22. 22.Marks of 6 friends in a quiz: 64, 54, 75, 63, 61, 55. What is their average mark?
23. 23.Marks of 6 friends in a quiz: 42, 38, 37, 55, 34, 82. What is their average mark?
24. 24.A shop sells an average of 43 kg of sugar a day for 5 days, and then 61 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
25. 25.What sum of money earns ₹3132 simple interest in 4 years at 9% per year (in ₹)?
26. 26.Change 108 km/h into metres per second.
27. 27.A shop sells 4540 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
28. 28.By selling a bicycle for ₹720, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
29. 29.What sum of money earns ₹7880 simple interest in 5 years at 8% per year (in ₹)?
30. 30.A bus runs at 78 km/h. How far does it go in 90 minutes (in km)?
31. 31.The price of a school bag changes from ₹2580 to ₹3870. By what percent did it go up?
32. 32.The simple interest on ₹19400 for 4 years is ₹3104. What is the rate of interest (% per year)?
33. 33.What is the difference between the compound interest and the simple interest on ₹48400 at 5% per year for 2 years (in ₹)?
34. 34.A bicycle is marked at ₹700. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
35. 35.A car runs for 3 hours at 41 km/h and then for 2 hours at 56 km/h. What is its average speed for the whole journey (in km/h)?
36. 36.By selling a pressure cooker for ₹340, a shopkeeper makes a loss of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
37. 37.The simple interest on ₹13700 for 5 years is ₹4795. What is the rate of interest (% per year)?
38. 38.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
39. 39.In 14 years, Ananya will be twice as old as Ananya was 6 years ago. How old is Ananya now?
40. 40.A cricket bat is marked at ₹600. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?

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