Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 830 · 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.Manav can finish a job in 10 days and Ananya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.2 years ago, Ananya’s mother was four times as old as Ananya. The mother is 42 years old now. How old is Ananya now?
3. 3.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
4. 4.A water tank holds 740 litres. 15% of the water is used. How many litres are left?
5. 5.Kabir cycles to his school at 42 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.Marks of 4 friends in a quiz: 47, 61, 47, 61. What is their average mark?
7. 7.A town has 240 people. Its population grows by 30%. How many people live there now?
8. 8.Diya works twice as fast as Aarav. Together they finish a job in 6 days. How many days would Aarav take alone?
9. 9.By selling a school bag for ₹612, a shopkeeper makes a loss of 40%. What did the school bag cost the shopkeeper (in ₹)?
10. 10.Change 72 km/h into metres per second.
11. 11.Karan’s batting average after 15 innings is 28 runs. How many runs must Karan score in the next innings to raise the average to 29?
12. 12.What is the difference between the compound interest and the simple interest on ₹1700 at 20% per year for 2 years (in ₹)?
13. 13.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
14. 14.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
15. 15.The price of a bicycle is ₹2880. It goes up by 10%. What is the new price (in ₹)?
16. 16.A pressure cooker is marked at ₹3020. The shop gives a 40% discount. How much do you pay (in ₹)?
17. 17.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
18. 18.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
19. 19.Farhan’s batting average after 14 innings is 50 runs. How many runs must Farhan score in the next innings to raise the average to 51?
20. 20.Find the compound interest on ₹3750 at 8% per year for 2 years, added every year (in ₹).
21. 21.Find the compound interest on ₹21875 at 4% per year for 2 years, added every year (in ₹).
22. 22.Find the amount when ₹100 is invested at 10% per year compound interest for 2 years (in ₹).
23. 23.A pressure cooker is marked at ₹3020. The shop gives a 15% discount. How much do you pay (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹38000 at 15% per year for 2 years (in ₹)?
25. 25.The price of a bicycle is ₹280. It goes up by 15%. What is the new price (in ₹)?
26. 26.Change 54 km/h into metres per second.
27. 27.Find the simple interest on ₹6100 at 7% per year for 4 years (in ₹).
28. 28.In 24 years, Aarav will be twice as old as Aarav was 2 years ago. How old is Aarav now?
29. 29.Find the simple interest on ₹7500 at 2% per year for 3 years (in ₹).
30. 30.A water tank holds 2480 litres. 40% of the water is used. How many litres are left?
31. 31.A water tank holds 3180 litres. 40% of the water is used. How many litres are left?
32. 32.Find the simple interest on ₹2300 at 12% per year for 3 years (in ₹).
33. 33.Karan can finish a job in 4 days and Dev in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A water tank holds 1340 litres. 5% of the water is used. How many litres are left?
35. 35.Isha can finish a job in 13 days and Tara in 8 days. What fraction of the job do they finish if they work together for 2 days? =
36. 36.What sum of money earns ₹3836 simple interest in 4 years at 7% per year (in ₹)?
37. 37.A water tank holds 4820 litres. 40% of the water is used. How many litres are left?
38. 38.By selling a school bag for ₹72, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
39. 39.By selling a cricket bat for ₹434, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
40. 40.A bus runs at 50 km/h. How far does it go in 30 minutes (in km)?

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