Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 19 · 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.Marks of 5 friends in a quiz: 42, 45, 39, 26, 13. What is their average mark?
2. 2.The simple interest on ₹2400 for 5 years is ₹840. What is the rate of interest (% per year)?
3. 3.By selling a school bag for ₹1408, a shopkeeper makes a loss of 20%. What did the school bag cost the shopkeeper (in ₹)?
4. 4.A price comes down by 10% and then comes down by 20% more. By what percent has it come down in all? =
5. 5.Rohan’s father is four times as old as Rohan. The sum of their ages is 45 years. How old is Rohan?
6. 6.In how many years will ₹5500 earn ₹220 as simple interest at 2% per year?
7. 7.How many minutes does a car take to go 27 km at 30 km/h?
8. 8.The average weight of 11 children is 38 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
9. 9.By selling a school bag for ₹1430, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
10. 10.Vivaan’s batting average after 8 innings is 42 runs. How many runs must Vivaan score in the next innings to raise the average to 44?
11. 11.Diya works three times as fast as Saanvi. Together they finish a job in 9 days. How many days would Saanvi take alone?
12. 12.A bus runs at 72 km/h. How far does it go in 20 minutes (in km)?
13. 13.After a 20% discount, a watch costs ₹496. What was its marked price (in ₹)?
14. 14.A watch marked at ₹820 is sold for ₹574. What is the discount percent?
15. 15.A water tank holds 440 litres. 25% of the water is used. How many litres are left?
16. 16.Find the compound interest on ₹40625 at 4% per year for 2 years, added every year (in ₹).
17. 17.Aditya works three times as fast as Aarav. Together they finish a job in 12 days. How many days would Aarav take alone?
18. 18.In 10 years, Diya will be three times as old as Diya was 6 years ago. How old is Diya now?
19. 19.Vivaan’s batting average after 10 innings is 26 runs. How many runs must Vivaan score in the next innings to raise the average to 29?
20. 20.The price of a school bag changes from ₹3940 to ₹4925. By what percent did it go up?
21. 21.After a 15% discount, a pair of shoes costs ₹833. What was its marked price (in ₹)?
22. 22.A shopkeeper buys a cricket bat for ₹340 and sells it for ₹255. Find the loss percent.
23. 23.Vivaan’s batting average after 5 innings is 48 runs. How many runs must Vivaan score in the next innings to raise the average to 51?
24. 24.Ananya can finish a job in 15 days and Aditya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
25. 25.In 14 years, Rahul will be twice as old as Rahul was 2 years ago. How old is Rahul now?
26. 26.What is the difference between the compound interest and the simple interest on ₹14400 at 10% per year for 2 years (in ₹)?
27. 27.Find the simple interest on ₹13700 at 11% per year for 2 years (in ₹).
28. 28.3 years ago, Priya’s mother was three times as old as Priya. The mother is 12 years old now. How old is Priya now?
29. 29.Kavya’s father is five times as old as Kavya. The sum of their ages is 54 years. How old is Kavya?
30. 30.A watch is marked at ₹1420. The shop gives a 10% discount. How much do you pay (in ₹)?
31. 31.A bicycle bought for ₹820 is sold at a profit of 25%. What is the selling price (in ₹)?
32. 32.Diya can finish a job in 9 days and Ananya in 6 days. What fraction of the job do they finish if they work together for 2 days? =
33. 33.How many minutes does a car take to go 17 km at 34 km/h?
34. 34.Karan works twice as fast as Kabir. Together they finish a job in 9 days. How many days would Kabir take alone?
35. 35.A shop sells an average of 74 kg of sugar a day for 2 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
36. 36.Marks of 4 friends in a quiz: 48, 53, 31, 32. What is their average mark?
37. 37.A shopkeeper buys a school bag for ₹780 and sells it for ₹546. Find the loss percent.
38. 38.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
39. 39.What is the difference between the compound interest and the simple interest on ₹27500 at 4% per year for 2 years (in ₹)?
40. 40.A water tank holds 1500 litres. 5% of the water is used. How many litres are left?

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