Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 6 · 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 watch bought for ₹900 is sold at a profit of 40%. What is the selling price (in ₹)?
2. 2.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
3. 3.A pair of shoes is marked at ₹3980. The shop gives a 40% discount. How much do you pay (in ₹)?
4. 4.By selling a bicycle for ₹1144, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
5. 5.Kabir and Sneha together finish a job in 4 days. Kabir alone takes 12 days. How many days would Sneha take alone?
6. 6.A pair of shoes is marked at ₹525. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
7. 7.Dev can finish a job in 16 days and Vivaan in 15 days. What fraction of the job do they finish if they work together for 3 days? =
8. 8.The price of a school bag changes from ₹420 to ₹630. By what percent did it go up?
9. 9.Aarav is 9 years older than Vivaan. In 4 years, the sum of their ages will be 73. How old is Vivaan now?
10. 10.A pair of shoes is marked at ₹200. The shop gives a 25% discount. How much do you pay (in ₹)?
11. 11.Change 10 m/s into km/h.
12. 12.Arjun’s batting average after 5 innings is 24 runs. How many runs must Arjun score in the next innings to raise the average to 28?
13. 13.A price goes up by 15% and then comes down by 5%. By what percent has it gone up in all? =
14. 14.Change 36 km/h into metres per second.
15. 15.Change 15 m/s into km/h.
16. 16.A pressure cooker bought for ₹940 is sold at a profit of 15%. What is the selling price (in ₹)?
17. 17.A shop sells an average of 42 kg of sugar a day for 3 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
18. 18.A bus runs at 20 km/h. How far does it go in 90 minutes (in km)?
19. 19.Marks of 5 friends in a quiz: 41, 50, 41, 41, 12. What is their average mark?
20. 20.A bus runs at 87 km/h. How far does it go in 40 minutes (in km)?
21. 21.Diya puts ₹14600 in a bank at 14% simple interest per year. How much will she have after 5 years (in ₹)?
22. 22.A pair of shoes bought for ₹480 is sold at a profit of 5%. What is the selling price (in ₹)?
23. 23.Arjun’s batting average after 8 innings is 41 runs. How many runs must Arjun score in the next innings to raise the average to 46?
24. 24.A shopkeeper buys a bicycle for ₹1620 and sells it for ₹1863. Find the profit percent.
25. 25.Marks of 5 friends in a quiz: 59, 85, 78, 57, 76. What is their average mark?
26. 26.In 11 years, Meera will be three times as old as Meera was 3 years ago. How old is Meera now?
27. 27.Saanvi’s batting average after 15 innings is 43 runs. How many runs must Saanvi score in the next innings to raise the average to 46?
28. 28.A water tank holds 4680 litres. 10% of the water is used. How many litres are left?
29. 29.A water tank holds 3960 litres. 40% of the water is used. How many litres are left?
30. 30.Kabir cycles to his school at 10 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
31. 31.Pooja is 8 years older than Kabir. In 5 years, the sum of their ages will be 44. How old is Kabir now?
32. 32.Kabir cycles to his school at 36 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)?
33. 33.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
34. 34.By selling a study lamp for ₹1890, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
35. 35.In how many years will ₹5400 earn ₹810 as simple interest at 3% per year?
36. 36.The price of a school bag changes from ₹1980 to ₹2475. By what percent did it go up?
37. 37.The simple interest on ₹3100 for 1 year is ₹465. What is the rate of interest (% per year)?
38. 38.A shop sells an average of 26 kg of sugar a day for 2 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
39. 39.The simple interest on ₹18500 for 5 years is ₹9250. What is the rate of interest (% per year)?
40. 40.A shopkeeper buys a study lamp for ₹1740 and sells it for ₹1044. Find the loss percent.

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