Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 494 · 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.The price of a school bag changes from ₹2960 to ₹3256. By what percent did it go up?
2. 2.Find the simple interest on ₹15100 at 11% per year for 1 year (in ₹).
3. 3.Rahul can finish a job in 6 days and Diya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.A water tank holds 1040 litres. 25% of the water is used. How many litres are left?
5. 5.Zoya’s father is three times as old as Zoya. The sum of their ages is 32 years. How old is Zoya?
6. 6.By selling a school bag for ₹414, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
7. 7.A car runs for 1 hour at 71 km/h and then for 3 hours at 67 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.A watch marked at ₹1880 is sold for ₹1410. What is the discount percent?
9. 9.A price goes up by 5% and then goes up by 25% more. By what percent has it gone up in all? =
10. 10.A pair of shoes bought for ₹1860 is sold at a profit of 5%. What is the selling price (in ₹)?
11. 11.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
12. 12.A pair of shoes bought for ₹220 is sold at a loss of 50%. What is the selling price (in ₹)?
13. 13.By selling a watch for ₹60, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
14. 14.The price of a bicycle is ₹1600. It goes up by 10%. What is the new price (in ₹)?
15. 15.The average of 5 numbers is 27. When one more number is added, the average becomes 32. What number was added?
16. 16.A shopkeeper buys a table fan for ₹340 and sells it for ₹272. Find the loss percent.
17. 17.Pooja works twice as fast as Vivaan. Together they finish a job in 5 days. How many days would Vivaan take alone?
18. 18.10 years ago, Pooja’s mother was twice as old as Pooja. The mother is 30 years old now. How old is Pooja now?
19. 19.Kabir cycles to his school at 27 km/h and comes back by the same road at 54 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.Marks of 6 friends in a quiz: 59, 67, 77, 70, 56, 49. What is their average mark?
21. 21.By selling a cricket bat for ₹624, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
22. 22.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
23. 23.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
24. 24.A pressure cooker is marked at ₹4900. The shop gives a 40% discount. How much do you pay (in ₹)?
25. 25.Find the simple interest on ₹13100 at 9% per year for 5 years (in ₹).
26. 26.What is the difference between the compound interest and the simple interest on ₹33600 at 20% per year for 2 years (in ₹)?
27. 27.A table fan is marked at ₹2720. The shop gives a 15% discount. How much do you pay (in ₹)?
28. 28.Meera works three times as fast as Aarav. Together they finish a job in 5 days. How many days would Aarav take alone?
29. 29.Marks of 4 friends in a quiz: 23, 35, 19, 47. What is their average mark?
30. 30.Find the simple interest on ₹3300 at 2% per year for 4 years (in ₹).
31. 31.What is the difference between the compound interest and the simple interest on ₹43200 at 25% per year for 2 years (in ₹)?
32. 32.Nisha can finish a job in 4 days and Saanvi in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.Find the amount when ₹9536 is invested at 25% per year compound interest for 3 years (in ₹).
34. 34.Find the amount when ₹45000 is invested at 4% per year compound interest for 2 years (in ₹).
35. 35.A water tank holds 4780 litres. 50% of the water is used. How many litres are left?
36. 36.A school bag bought for ₹420 is sold at a loss of 15%. What is the selling price (in ₹)?
37. 37.7 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 51 years old now. How old is Ishaan now?
38. 38.Kavya’s father is twice as old as Kavya. The sum of their ages is 18 years. How old is the father?
39. 39.Find the amount when ₹10000 is invested at 10% per year compound interest for 3 years (in ₹).
40. 40.A shopkeeper buys a school bag for ₹360 and sells it for ₹468. Find the profit percent.

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