Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 921 · 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 simple interest on ₹6000 at 3% per year for 4 years (in ₹).
2. 2.Marks of 6 friends in a quiz: 88, 62, 84, 83, 60, 73. What is their average mark?
3. 3.Saanvi is 2 years older than Priya. In 4 years, the sum of their ages will be 30. How old is Priya now?
4. 4.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
5. 5.A shopkeeper buys a cricket bat for ₹220 and sells it for ₹330. Find the profit percent.
6. 6.By selling a table fan for ₹144, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
7. 7.2 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 14 years old now. How old is Ishaan now?
8. 8.A water tank holds 3380 litres. 50% of the water is used. How many litres are left?
9. 9.A bus runs at 36 km/h. How far does it go in 10 minutes (in km)?
10. 10.A cricket bat is marked at ₹600. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
11. 11.Meera’s batting average after 13 innings is 30 runs. How many runs must Meera score in the next innings to raise the average to 31?
12. 12.Rahul can finish a job in 20 days and Zoya in 10 days. Rahul works alone for 2 days and then stops. Zoya finishes the rest. How many days does Zoya take?
13. 13.Marks of 6 friends in a quiz: 70, 93, 91, 72, 68, 74. What is their average mark?
14. 14.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
15. 15.Zoya’s batting average after 15 innings is 24 runs. How many runs must Zoya score in the next innings to raise the average to 25?
16. 16.A water tank holds 2120 litres. 30% of the water is used. How many litres are left?
17. 17.Arjun can finish a job in 12 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.Farhan’s father is twice as old as Farhan. The sum of their ages is 21 years. How old is Farhan?
19. 19.A water tank holds 3660 litres. 25% of the water is used. How many litres are left?
20. 20.A shopkeeper buys a school bag for ₹1800 and sells it for ₹2700. Find the profit percent.
21. 21.By selling a pair of shoes for ₹800, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.Ananya’s father is five times as old as Ananya. The sum of their ages is 48 years. How old is Ananya?
23. 23.The average of 9 numbers is 41. When one more number is added, the average becomes 43. What number was added?
24. 24.Ishaan can finish a job in 13 days and Kavya in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
25. 25.Pooja can finish a job in 19 days and Vivaan in 6 days. What fraction of the job do they finish if they work together for 3 days? =
26. 26.The price of a school bag changes from ₹1780 to ₹1869. By what percent did it go up?
27. 27.A town has 2560 people. Its population grows by 20%. How many people live there now?
28. 28.By selling a watch for ₹624, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
29. 29.Zoya is 3 years older than Aditya. In 6 years, the sum of their ages will be 49. How old is Aditya now?
30. 30.A study lamp is marked at ₹590. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
31. 31.Find the compound interest on ₹30592 at 25% per year for 2 years, added every year (in ₹).
32. 32.Marks of 4 friends in a quiz: 29, 24, 19, 24. What is their average mark?
33. 33.Kabir cycles to his school at 88 km/h and comes back by the same road at 33 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A study lamp bought for ₹420 is sold at a profit of 25%. What is the selling price (in ₹)?
35. 35.By selling a pair of shoes for ₹420, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
36. 36.The price of a bicycle is ₹4640. It goes up by 50%. What is the new price (in ₹)?
37. 37.A shopkeeper buys a study lamp for ₹600 and sells it for ₹450. Find the loss percent.
38. 38.By selling a study lamp for ₹500, a shopkeeper makes a profit of 25%. What did the study lamp cost the shopkeeper (in ₹)?
39. 39.Pooja works twice as fast as Vivaan. Together they finish a job in 3 days. How many days would Vivaan take alone?
40. 40.Find the compound interest on ₹16000 at 5% per year for 3 years, added every year (in ₹).

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