Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 330 · 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.By selling a pressure cooker for ₹450, a shopkeeper makes a profit of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
2. 2.Meera can finish a job in 14 days and Manav in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
3. 3.A water tank holds 1200 litres. 15% of the water is used. How many litres are left?
4. 4.What is the difference between the compound interest and the simple interest on ₹300 at 10% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
6. 6.The simple interest on ₹6900 for 1 year is ₹345. What is the rate of interest (% per year)?
7. 7.The price of a bicycle is ₹2780. It goes up by 40%. What is the new price (in ₹)?
8. 8.A town has 3600 people. Its population grows by 15%. How many people live there now?
9. 9.Zoya can finish a job in 10 days and Kavya in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.The price of a school bag changes from ₹3160 to ₹3792. By what percent did it go up?
11. 11.A shopkeeper buys a school bag for ₹1520 and sells it for ₹760. Find the loss percent.
12. 12.A school bag bought for ₹260 is sold at a profit of 25%. What is the selling price (in ₹)?
13. 13.By selling a school bag for ₹2880, a shopkeeper makes a profit of 50%. What did the school bag cost the shopkeeper (in ₹)?
14. 14.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
15. 15.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
16. 16.Change 5 m/s into km/h.
17. 17.A water tank holds 3280 litres. 15% of the water is used. How many litres are left?
18. 18.A water tank holds 260 litres. 5% of the water is used. How many litres are left?
19. 19.Aarav works three times as fast as Meera. Together they finish a job in 11 days. How many days would Meera take alone?
20. 20.Kabir cycles to his school at 18 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)?
21. 21.After a 20% discount, a watch costs ₹224. What was its marked price (in ₹)?
22. 22.The price of a bicycle is ₹3720. It goes up by 10%. What is the new price (in ₹)?
23. 23.Vivaan can finish a job in 18 days and Arjun in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.Nisha can finish a job in 16 days and Zoya in 24 days. Nisha works alone for 2 days and then stops. Zoya finishes the rest. How many days does Zoya take?
25. 25.A water tank holds 1800 litres. 50% of the water is used. How many litres are left?
26. 26.The price of a school bag changes from ₹3420 to ₹3078. By what percent did it come down?
27. 27.How many minutes does a car take to go 44 km at 60 km/h?
28. 28.A price goes up by 50% and then comes down by 20%. By what percent has it gone up in all? =
29. 29.A car runs for 2 hours at 28 km/h and then for 1 hour at 55 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.A pair of shoes marked at ₹2340 is sold for ₹1989. What is the discount percent?
31. 31.The average of 9 numbers is 24. When one more number is added, the average becomes 30. What number was added?
32. 32.Rahul’s father is four times as old as Rahul. The sum of their ages is 40 years. How old is Rahul?
33. 33.Marks of 4 friends in a quiz: 40, 58, 54, 64. What is their average mark?
34. 34.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
35. 35.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.A bicycle marked at ₹1320 is sold for ₹924. What is the discount percent?
37. 37.A bicycle marked at ₹2280 is sold for ₹2052. What is the discount percent?
38. 38.Meera works twice as fast as Aditya. Together they finish a job in 6 days. How many days would Aditya take alone?
39. 39.A table fan is marked at ₹1100. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
40. 40.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?

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