Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 496 · 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 water tank holds 4500 litres. 25% of the water is used. How many litres are left?
2. 2.A bus runs at 34 km/h. How far does it go in 30 minutes (in km)?
3. 3.In how many years will ₹14100 earn ₹3948 as simple interest at 7% per year?
4. 4.Rohan works twice as fast as Farhan. Together they finish a job in 9 days. How many days would Farhan take alone?
5. 5.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
6. 6.A car runs for 2 hours at 64 km/h and then for 2 hours at 78 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
8. 8.Arjun works twice as fast as Aditya. Together they finish a job in 2 days. How many days would Aditya take alone?
9. 9.A bicycle is marked at ₹832. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
10. 10.A shopkeeper buys a pair of shoes for ₹1500 and sells it for ₹1275. Find the loss percent.
11. 11.The price of a bicycle is ₹4720. It goes up by 10%. What is the new price (in ₹)?
12. 12.In how many years will ₹14500 earn ₹2900 as simple interest at 4% per year?
13. 13.A bus runs at 72 km/h. How far does it go in 40 minutes (in km)?
14. 14.Kabir cycles to his school at 12 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
15. 15.The average weight of 9 children is 34 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
16. 16.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
17. 17.What is the difference between the compound interest and the simple interest on ₹7500 at 10% per year for 2 years (in ₹)?
18. 18.A table fan bought for ₹1660 is sold at a loss of 20%. What is the selling price (in ₹)?
19. 19.By selling a study lamp for ₹1932, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
20. 20.A water tank holds 4440 litres. 30% of the water is used. How many litres are left?
21. 21.Find the amount when ₹16000 is invested at 15% per year compound interest for 2 years (in ₹).
22. 22.Saanvi is 4 years older than Rohan. In 5 years, the sum of their ages will be 56. How old is Rohan now?
23. 23.A cricket bat is marked at ₹2200. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
24. 24.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
25. 25.The price of a school bag changes from ₹3940 to ₹5516. By what percent did it go up?
26. 26.A shopkeeper buys a pressure cooker for ₹1420 and sells it for ₹1775. Find the profit percent.
27. 27.A water tank holds 760 litres. 5% of the water is used. How many litres are left?
28. 28.What is the difference between the compound interest and the simple interest on ₹4200 at 10% per year for 2 years (in ₹)?
29. 29.Dev’s batting average after 14 innings is 40 runs. How many runs must Dev score in the next innings to raise the average to 43?
30. 30.After a 40% discount, a table fan costs ₹804. What was its marked price (in ₹)?
31. 31.By selling a school bag for ₹1008, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
32. 32.10 years ago, Dev’s mother was twice as old as Dev. The mother is 26 years old now. How old is Dev now?
33. 33.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
34. 34.A water tank holds 240 litres. 20% of the water is used. How many litres are left?
35. 35.By selling a school bag for ₹1080, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
36. 36.A study lamp is marked at ₹3820. The shop gives a 10% discount. How much do you pay (in ₹)?
37. 37.A school bag is marked at ₹4500. The shop gives a 10% discount. How much do you pay (in ₹)?
38. 38.A price goes up by 10% and then goes up by 25% more. By what percent has it gone up in all? =
39. 39.A cricket bat is marked at ₹480. The shop gives a 20% discount. How much do you pay (in ₹)?
40. 40.A study lamp bought for ₹400 is sold at a profit of 10%. What is the selling price (in ₹)?

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