Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 246 · 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.In how many years will ₹2100 earn ₹504 as simple interest at 12% per year?
2. 2.Vivaan can finish a job in 16 days and Priya in 19 days. What fraction of the job do they finish if they work together for 1 day? =
3. 3.Find the amount when ₹22192 is invested at 25% per year compound interest for 2 years (in ₹).
4. 4.Priya works three times as fast as Arjun. Together they finish a job in 9 days. How many days would Arjun take alone?
5. 5.A pressure cooker is marked at ₹425. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
6. 6.Meera’s father is five times as old as Meera. The sum of their ages is 30 years. How old is the father?
7. 7.The average of 7 numbers is 26. When one more number is added, the average becomes 30. What number was added?
8. 8.Meera and Pooja together finish a job in 4 days. Meera alone takes 8 days. How many days would Pooja take alone?
9. 9.How many minutes does a car take to go 50 km at 40 km/h?
10. 10.A study lamp bought for ₹1820 is sold at a loss of 15%. What is the selling price (in ₹)?
11. 11.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)?
12. 12.The price of a school bag changes from ₹3380 to ₹4225. By what percent did it go up?
13. 13.Rohan is 3 years older than Farhan. In 9 years, the sum of their ages will be 31. How old is Farhan now?
14. 14.In 21 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
15. 15.A bus runs at 21 km/h. How far does it go in 20 minutes (in km)?
16. 16.By selling a cricket bat for ₹315, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
17. 17.Find the simple interest on ₹2800 at 7% per year for 5 years (in ₹).
18. 18.Change 15 m/s into km/h.
19. 19.A watch is marked at ₹4180. The shop gives a 30% discount. How much do you pay (in ₹)?
20. 20.Rohan can finish a job in 20 days and Isha in 9 days. What fraction of the job do they finish if they work together for 2 days? =
21. 21.A shopkeeper buys a table fan for ₹1200 and sells it for ₹1800. Find the profit percent.
22. 22.In how many years will ₹18400 earn ₹1472 as simple interest at 8% per year?
23. 23.Arjun’s father is four times as old as Arjun. The sum of their ages is 60 years. How old is the father?
24. 24.Rohan works twice as fast as Saanvi. Together they finish a job in 11 days. How many days would Saanvi take alone?
25. 25.The average of 7 numbers is 29. When one more number is added, the average becomes 34. What number was added?
26. 26.By selling a pressure cooker for ₹540, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
27. 27.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
28. 28.Kabir’s father is five times as old as Kabir. The sum of their ages is 54 years. How old is Kabir?
29. 29.A shop sells an average of 44 kg of sugar a day for 6 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
30. 30.A water tank holds 2180 litres. 30% of the water is used. How many litres are left?
31. 31.A table fan is marked at ₹600. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
32. 32.A shop sells an average of 55 kg of sugar a day for 3 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
33. 33.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹36800 at 10% per year for 2 years, added every year (in ₹).
35. 35.Marks of 4 friends in a quiz: 28, 46, 38, 40. What is their average mark?
36. 36.The simple interest on ₹500 for 4 years is ₹80. What is the rate of interest (% per year)?
37. 37.By selling a table fan for ₹1430, a shopkeeper makes a profit of 30%. What did the table fan cost the shopkeeper (in ₹)?
38. 38.How many minutes does a car take to go 38 km at 30 km/h?
39. 39.Change 72 km/h into metres per second.
40. 40.Rohan and Aditya together finish a job in 5 days. Rohan alone takes 6 days. How many days would Aditya take alone?

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