Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 122 · 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.Tara’s batting average after 7 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 33?
2. 2.By selling a pressure cooker for ₹1425, a shopkeeper makes a profit of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
3. 3.A price comes down by 15% and then comes down by 25% more. By what percent has it come down in all? =
4. 4.Marks of 5 friends in a quiz: 66, 79, 92, 84, 79. What is their average mark?
5. 5.Find the amount when ₹8125 is invested at 8% per year compound interest for 2 years (in ₹).
6. 6.The price of a bicycle is ₹980. It goes up by 50%. What is the new price (in ₹)?
7. 7.By selling a bicycle for ₹140, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
8. 8.Ananya’s batting average after 11 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 34?
9. 9.A bicycle marked at ₹4700 is sold for ₹4465. What is the discount percent?
10. 10.Karan’s father is three times as old as Karan. The sum of their ages is 20 years. How old is the father?
11. 11.A shop sells an average of 74 kg of sugar a day for 3 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
12. 12.The average of 8 numbers is 15. When one more number is added, the average becomes 18. What number was added?
13. 13.A bicycle is marked at ₹1840. The shop gives a 40% discount. How much do you pay (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
15. 15.Sneha and Kabir together finish a job in 6 days. Sneha alone takes 9 days. How many days would Kabir take alone?
16. 16.A water tank holds 2840 litres. 50% of the water is used. How many litres are left?
17. 17.The price of a school bag changes from ₹3720 to ₹2976. By what percent did it come down?
18. 18.The price of a school bag changes from ₹3100 to ₹2170. By what percent did it come down?
19. 19.Find the simple interest on ₹3700 at 13% per year for 5 years (in ₹).
20. 20.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
21. 21.Diya puts ₹6600 in a bank at 13% simple interest per year. How much will she have after 1 year (in ₹)?
22. 22.A town has 2820 people. Its population grows by 5%. How many people live there now?
23. 23.Diya’s father is twice as old as Diya. The sum of their ages is 21 years. How old is the father?
24. 24.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 24 years. How old is the father?
25. 25.The price of a bicycle is ₹4180. It goes up by 40%. What is the new price (in ₹)?
26. 26.The average weight of 7 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
27. 27.Find the amount when ₹4625 is invested at 20% per year compound interest for 3 years (in ₹).
28. 28.A table fan bought for ₹280 is sold at a loss of 25%. What is the selling price (in ₹)?
29. 29.Meera’s batting average after 9 innings is 43 runs. How many runs must Meera score in the next innings to raise the average to 47?
30. 30.The simple interest on ₹4100 for 1 year is ₹164. What is the rate of interest (% per year)?
31. 31.Change 36 km/h into metres per second.
32. 32.Ananya’s father is three times as old as Ananya. The sum of their ages is 60 years. How old is Ananya?
33. 33.Aarav’s father is twice as old as Aarav. The sum of their ages is 36 years. How old is Aarav?
34. 34.A water tank holds 3920 litres. 5% of the water is used. How many litres are left?
35. 35.After a 40% discount, a watch costs ₹2520. What was its marked price (in ₹)?
36. 36.The price of a school bag changes from ₹2340 to ₹2457. By what percent did it go up?
37. 37.A table fan bought for ₹2000 is sold at a profit of 30%. What is the selling price (in ₹)?
38. 38.The price of a school bag changes from ₹380 to ₹570. By what percent did it go up?
39. 39.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
40. 40.Rahul works three times as fast as Kabir. Together they finish a job in 2 days. How many days would Kabir take alone?

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