Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 132 · 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.What is the difference between the compound interest and the simple interest on ₹40900 at 20% per year for 2 years (in ₹)?
2. 2.A school bag is marked at ₹3280. The shop gives a 50% discount. How much do you pay (in ₹)?
3. 3.Vivaan and Farhan together finish a job in 8 days. Vivaan alone takes 10 days. How many days would Farhan take alone?
4. 4.Change 5 m/s into km/h.
5. 5.Vivaan can finish a job in 6 days and Manav in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.In 19 years, Rohan will be three times as old as Rohan was 5 years ago. How old is Rohan now?
7. 7.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
8. 8.Meera’s father is five times as old as Meera. The sum of their ages is 78 years. How old is the father?
9. 9.Marks of 5 friends in a quiz: 11, 15, 6, 32, 41. What is their average mark?
10. 10.By selling a watch for ₹2492, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
11. 11.A watch bought for ₹1480 is sold at a profit of 50%. What is the selling price (in ₹)?
12. 12.The average weight of 5 children is 36 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
13. 13.A water tank holds 2040 litres. 25% of the water is used. How many litres are left?
14. 14.Manav works three times as fast as Diya. Together they finish a job in 10 days. How many days would Diya take alone?
15. 15.Change 108 km/h into metres per second.
16. 16.Rohan can finish a job in 6 days and Ananya in 19 days. What fraction of the job do they finish if they work together for 2 days? =
17. 17.A watch is marked at ₹4040. The shop gives a 30% discount. How much do you pay (in ₹)?
18. 18.The price of a school bag changes from ₹580 to ₹290. By what percent did it come down?
19. 19.A price goes up by 5% and then goes up by 40% more. By what percent has it gone up in all? =
20. 20.Marks of 5 friends in a quiz: 66, 56, 45, 48, 45. What is their average mark?
21. 21.In how many years will ₹16100 earn ₹644 as simple interest at 4% per year?
22. 22.A cricket bat bought for ₹1980 is sold at a loss of 25%. What is the selling price (in ₹)?
23. 23.A pressure cooker is marked at ₹3340. The shop gives a 25% discount. How much do you pay (in ₹)?
24. 24.The average of 8 numbers is 55. When one more number is added, the average becomes 60. What number was added?
25. 25.Find the compound interest on ₹37600 at 10% per year for 2 years, added every year (in ₹).
26. 26.What is the difference between the compound interest and the simple interest on ₹42800 at 15% per year for 2 years (in ₹)?
27. 27.Karan’s father is five times as old as Karan. The sum of their ages is 84 years. How old is the father?
28. 28.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
29. 29.Rahul’s father is twice as old as Rahul. The sum of their ages is 18 years. How old is Rahul?
30. 30.What is the difference between the compound interest and the simple interest on ₹22500 at 8% per year for 2 years (in ₹)?
31. 31.A water tank holds 4680 litres. 25% of the water is used. How many litres are left?
32. 32.The price of a school bag changes from ₹1540 to ₹924. By what percent did it come down?
33. 33.Arjun and Farhan together finish a job in 5 days. Arjun alone takes 6 days. How many days would Farhan take alone?
34. 34.The price of a school bag changes from ₹4220 to ₹2110. By what percent did it come down?
35. 35.A shopkeeper buys a bicycle for ₹1520 and sells it for ₹1976. Find the profit percent.
36. 36.A shopkeeper buys a bicycle for ₹400 and sells it for ₹240. Find the loss percent.
37. 37.Nisha’s batting average after 8 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 31?
38. 38.A shopkeeper buys a study lamp for ₹1320 and sells it for ₹1188. Find the loss percent.
39. 39.Find the simple interest on ₹6000 at 2% per year for 1 year (in ₹).
40. 40.A town has 2100 people. Its population grows by 15%. How many people live there now?

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