Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 10 · 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 shopkeeper buys a study lamp for ₹220 and sells it for ₹110. Find the loss percent.
2. 2.A cricket bat bought for ₹900 is sold at a profit of 15%. What is the selling price (in ₹)?
3. 3.A shopkeeper buys a study lamp for ₹1560 and sells it for ₹780. Find the loss percent.
4. 4.Zoya’s father is twice as old as Zoya. The sum of their ages is 15 years. How old is the father?
5. 5.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
6. 6.Arjun’s batting average after 15 innings is 20 runs. How many runs must Arjun score in the next innings to raise the average to 24?
7. 7.By selling a table fan for ₹795, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
8. 8.5 years ago, Saanvi’s mother was four times as old as Saanvi. The mother is 17 years old now. How old is Saanvi now?
9. 9.A watch marked at ₹4180 is sold for ₹2926. What is the discount percent?
10. 10.Sneha’s father is five times as old as Sneha. The sum of their ages is 90 years. How old is Sneha?
11. 11.Rohan and Dev together finish a job in 12 days. Rohan alone takes 20 days. How many days would Dev take alone?
12. 12.A school bag marked at ₹3420 is sold for ₹2565. What is the discount percent?
13. 13.In 3 years, Aarav will be twice as old as Aarav was 6 years ago. How old is Aarav now?
14. 14.A shop sells an average of 70 kg of sugar a day for 6 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
15. 15.Priya and Kabir together finish a job in 2 days. Priya alone takes 3 days. How many days would Kabir take alone?
16. 16.What is the difference between the compound interest and the simple interest on ₹8400 at 5% per year for 2 years (in ₹)?
17. 17.Kabir cycles to his school at 60 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)?
18. 18.A shopkeeper buys a table fan for ₹540 and sells it for ₹702. Find the profit percent.
19. 19.Find the simple interest on ₹6100 at 2% per year for 1 year (in ₹).
20. 20.The average of 4 numbers is 40. When one more number is added, the average becomes 41. What number was added?
21. 21.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
22. 22.The simple interest on ₹4500 for 1 year is ₹405. What is the rate of interest (% per year)?
23. 23.Find the simple interest on ₹3500 at 13% per year for 4 years (in ₹).
24. 24.Rahul can finish a job in 5 days and Ishaan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
25. 25.A price goes up by 50% and then comes down by 15%. By what percent has it gone up in all? =
26. 26.Saanvi can finish a job in 30 days and Aditya in 6 days. Saanvi works alone for 20 days and then stops. Aditya finishes the rest. How many days does Aditya take?
27. 27.A water tank holds 2700 litres. 40% of the water is used. How many litres are left?
28. 28.A watch marked at ₹1540 is sold for ₹1386. What is the discount percent?
29. 29.The price of a bicycle is ₹580. It goes up by 40%. What is the new price (in ₹)?
30. 30.Find the simple interest on ₹12700 at 6% per year for 4 years (in ₹).
31. 31.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
32. 32.In 22 years, Pooja will be twice as old as Pooja was 3 years ago. How old is Pooja now?
33. 33.Kabir cycles to his school at 60 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A shopkeeper buys a bicycle for ₹80 and sells it for ₹76. Find the loss percent.
35. 35.The simple interest on ₹16300 for 3 years is ₹7335. What is the rate of interest (% per year)?
36. 36.Marks of 4 friends in a quiz: 47, 40, 51, 46. What is their average mark?
37. 37.By selling a study lamp for ₹270, a shopkeeper makes a loss of 10%. What did the study lamp cost the shopkeeper (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹38300 at 20% per year for 2 years (in ₹)?
39. 39.Priya’s batting average after 12 innings is 47 runs. How many runs must Priya score in the next innings to raise the average to 48?
40. 40.Pooja works twice as fast as Karan. Together they finish a job in 5 days. How many days would Karan take alone?

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