Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 3 · 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.Kabir’s father is five times as old as Kabir. The sum of their ages is 60 years. How old is Kabir?
2. 2.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
3. 3.A shopkeeper buys a bicycle for ₹420 and sells it for ₹462. Find the profit percent.
4. 4.The price of a school bag changes from ₹420 to ₹504. By what percent did it go up?
5. 5.What is the difference between the compound interest and the simple interest on ₹1100 at 20% per year for 2 years (in ₹)?
6. 6.A watch bought for ₹840 is sold at a loss of 10%. What is the selling price (in ₹)?
7. 7.The price of a school bag changes from ₹3260 to ₹3912. By what percent did it go up?
8. 8.4 years ago, Karan’s mother was three times as old as Karan. The mother is 25 years old now. How old is Karan now?
9. 9.Kabir cycles to his school at 60 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.A pair of shoes is marked at ₹420. The shop gives a 15% discount. How much do you pay (in ₹)?
11. 11.A school bag bought for ₹1220 is sold at a loss of 50%. What is the selling price (in ₹)?
12. 12.A price goes up by 15% and then goes up by 50% more. By what percent has it gone up in all? =
13. 13.A shop sells 1320 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
14. 14.Marks of 6 friends in a quiz: 80, 82, 94, 96, 84, 92. What is their average mark?
15. 15.A shopkeeper buys a cricket bat for ₹680 and sells it for ₹1020. Find the profit percent.
16. 16.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
17. 17.In how many years will ₹3800 earn ₹152 as simple interest at 2% per year?
18. 18.A shopkeeper buys a school bag for ₹700 and sells it for ₹525. Find the loss percent.
19. 19.A school bag is marked at ₹4740. The shop gives a 40% discount. How much do you pay (in ₹)?
20. 20.Aditya can finish a job in 4 days and Meera in 20 days. Aditya works alone for 1 day and then stops. Meera finishes the rest. How many days does Meera take?
21. 21.Find the amount when ₹46875 is invested at 8% per year compound interest for 2 years (in ₹).
22. 22.A price comes down by 30% and then comes down by 15% more. By what percent has it come down in all? =
23. 23.In 29 years, Meera will be three times as old as Meera was 3 years ago. How old is Meera now?
24. 24.Aditya works twice as fast as Tara. Together they finish a job in 10 days. How many days would Tara take alone?
25. 25.Meera’s batting average after 10 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 47?
26. 26.Ishaan can finish a job in 4 days and Kabir in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.A shop sells 3180 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
28. 28.A price comes down by 25% and then comes down by 20% more. By what percent has it come down in all? =
29. 29.By selling a bicycle for ₹840, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
30. 30.Aditya’s batting average after 7 innings is 28 runs. How many runs must Aditya score in the next innings to raise the average to 29?
31. 31.A shopkeeper buys a study lamp for ₹1060 and sells it for ₹848. Find the loss percent.
32. 32.A shopkeeper buys a pressure cooker for ₹1620 and sells it for ₹2430. Find the profit percent.
33. 33.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
34. 34.Zoya can finish a job in 13 days and Rahul in 26 days. Zoya works alone for 11 days and then stops. Rahul finishes the rest. How many days does Rahul take?
35. 35.In 18 years, Farhan will be twice as old as Farhan was 3 years ago. How old is Farhan now?
36. 36.Change 18 km/h into metres per second.
37. 37.By selling a cricket bat for ₹486, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
38. 38.Aarav is 3 years older than Saanvi. In 10 years, the sum of their ages will be 47. How old is Saanvi now?
39. 39.A town has 4560 people. Its population grows by 25%. How many people live there now?
40. 40.The simple interest on ₹4900 for 2 years is ₹392. What is the rate of interest (% per year)?

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