Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 315 · 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 ₹11600 at 25% per year for 2 years (in ₹)?
2. 2.Kavya’s father is twice as old as Kavya. The sum of their ages is 27 years. How old is Kavya?
3. 3.A shop sells 800 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
4. 4.Marks of 4 friends in a quiz: 14, 18, 22, 34. What is their average mark?
5. 5.What sum of money earns ₹3864 simple interest in 3 years at 14% per year (in ₹)?
6. 6.A school bag marked at ₹2040 is sold for ₹1938. What is the discount percent?
7. 7.In 16 years, Ananya will be twice as old as Ananya was 2 years ago. How old is Ananya now?
8. 8.A shop sells an average of 70 kg of sugar a day for 5 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
9. 9.The simple interest on ₹3400 for 1 year is ₹510. What is the rate of interest (% per year)?
10. 10.Diya’s father is five times as old as Diya. The sum of their ages is 48 years. How old is the father?
11. 11.Priya’s batting average after 13 innings is 48 runs. How many runs must Priya score in the next innings to raise the average to 53?
12. 12.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
13. 13.Change 36 km/h into metres per second.
14. 14.Aditya can finish a job in 6 days and Dev in 12 days. Aditya works alone for 5 days and then stops. Dev finishes the rest. How many days does Dev take?
15. 15.The price of a school bag changes from ₹800 to ₹400. By what percent did it come down?
16. 16.The price of a bicycle is ₹2300. It goes up by 15%. What is the new price (in ₹)?
17. 17.Ananya can finish a job in 14 days and Rahul in 28 days. Ananya works alone for 1 day and then stops. Rahul finishes the rest. How many days does Rahul take?
18. 18.Marks of 5 friends in a quiz: 21, 20, 14, 21, 44. What is their average mark?
19. 19.A study lamp bought for ₹1140 is sold at a loss of 20%. What is the selling price (in ₹)?
20. 20.The average weight of 7 children is 43 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
21. 21.In 11 years, Sneha will be twice as old as Sneha was 5 years ago. How old is Sneha now?
22. 22.A water tank holds 4900 litres. 25% of the water is used. How many litres are left?
23. 23.A bus runs at 42 km/h. How far does it go in 40 minutes (in km)?
24. 24.Kabir’s batting average after 8 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 27?
25. 25.A pressure cooker bought for ₹1620 is sold at a loss of 30%. What is the selling price (in ₹)?
26. 26.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
27. 27.A water tank holds 2600 litres. 20% of the water is used. How many litres are left?
28. 28.A school bag is marked at ₹2960. The shop gives a 50% discount. How much do you pay (in ₹)?
29. 29.A school bag marked at ₹840 is sold for ₹630. What is the discount percent?
30. 30.A study lamp bought for ₹960 is sold at a profit of 40%. What is the selling price (in ₹)?
31. 31.A shopkeeper buys a table fan for ₹1920 and sells it for ₹2016. Find the profit percent.
32. 32.Find the compound interest on ₹24000 at 5% per year for 3 years, added every year (in ₹).
33. 33.Find the simple interest on ₹700 at 3% per year for 3 years (in ₹).
34. 34.Nisha’s father is four times as old as Nisha. The sum of their ages is 50 years. How old is the father?
35. 35.Zoya is 2 years older than Rahul. In 3 years, the sum of their ages will be 54. How old is Rahul now?
36. 36.A water tank holds 700 litres. 30% of the water is used. How many litres are left?
37. 37.Find the amount when ₹34075 is invested at 20% per year compound interest for 2 years (in ₹).
38. 38.Rohan’s father is twice as old as Rohan. The sum of their ages is 24 years. How old is the father?
39. 39.Ishaan works twice as fast as Sneha. Together they finish a job in 2 days. How many days would Sneha take alone?
40. 40.A cricket bat is marked at ₹540. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?

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