Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 141 · 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 pressure cooker for ₹1300 and sells it for ₹910. Find the loss percent.
2. 2.A water tank holds 760 litres. 25% of the water is used. How many litres are left?
3. 3.A watch bought for ₹540 is sold at a profit of 30%. What is the selling price (in ₹)?
4. 4.A school bag bought for ₹80 is sold at a profit of 5%. What is the selling price (in ₹)?
5. 5.A water tank holds 1680 litres. 15% of the water is used. How many litres are left?
6. 6.Kabir cycles to his school at 40 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.How many minutes does a car take to go 96 km at 80 km/h?
8. 8.A shop sells 280 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
9. 9.The simple interest on ₹6000 for 1 year is ₹600. What is the rate of interest (% per year)?
10. 10.10 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 25 years old now. How old is Ishaan now?
11. 11.A pressure cooker is marked at ₹3980. The shop gives a 15% discount. How much do you pay (in ₹)?
12. 12.After a 10% discount, a pressure cooker costs ₹288. What was its marked price (in ₹)?
13. 13.Nisha’s father is twice as old as Nisha. The sum of their ages is 18 years. How old is the father?
14. 14.A price goes up by 15% and then goes up by 10% more. By what percent has it gone up in all? =
15. 15.Priya is 6 years older than Tara. In 8 years, the sum of their ages will be 64. How old is Tara now?
16. 16.Sneha can finish a job in 12 days and Priya in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.Vivaan and Karan together finish a job in 2 days. Vivaan alone takes 3 days. How many days would Karan take alone?
18. 18.A shop sells an average of 53 kg of sugar a day for 3 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
19. 19.Find the simple interest on ₹3700 at 13% per year for 2 years (in ₹).
20. 20.A watch bought for ₹1400 is sold at a profit of 40%. What is the selling price (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
22. 22.In how many years will ₹18100 earn ₹2534 as simple interest at 14% per year?
23. 23.The price of a school bag changes from ₹4600 to ₹4370. By what percent did it come down?
24. 24.By selling a pair of shoes for ₹210, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
25. 25.Vivaan’s batting average after 15 innings is 20 runs. How many runs must Vivaan score in the next innings to raise the average to 21?
26. 26.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
27. 27.Find the simple interest on ₹18800 at 11% per year for 3 years (in ₹).
28. 28.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)?
29. 29.By selling a pair of shoes for ₹2300, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
30. 30.Find the amount when ₹45375 is invested at 20% per year compound interest for 3 years (in ₹).
31. 31.A table fan bought for ₹1860 is sold at a loss of 5%. What is the selling price (in ₹)?
32. 32.A town has 4820 people. Its population grows by 10%. How many people live there now?
33. 33.Isha works three times as fast as Zoya. Together they finish a job in 5 days. How many days would Zoya take alone?
34. 34.Ananya is 6 years older than Kabir. In 10 years, the sum of their ages will be 44. How old is Kabir now?
35. 35.Change 36 km/h into metres per second.
36. 36.2 years ago, Rohan’s mother was four times as old as Rohan. The mother is 34 years old now. How old is Rohan now?
37. 37.Marks of 5 friends in a quiz: 61, 60, 75, 50, 54. What is their average mark?
38. 38.The price of a school bag changes from ₹1300 to ₹1170. By what percent did it come down?
39. 39.The price of a bicycle is ₹860. It goes up by 30%. What is the new price (in ₹)?
40. 40.A pressure cooker is marked at ₹3100. The shop gives a 5% discount. How much do you pay (in ₹)?

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