Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 435 · 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.Marks of 6 friends in a quiz: 92, 93, 93, 97, 81, 78. What is their average mark?
2. 2.Manav works twice as fast as Aarav. Together they finish a job in 3 days. How many days would Aarav take alone?
3. 3.In how many years will ₹9500 earn ₹950 as simple interest at 5% per year?
4. 4.Marks of 5 friends in a quiz: 56, 49, 50, 66, 74. What is their average mark?
5. 5.A pair of shoes is marked at ₹3300. The shop gives a 20% discount. How much do you pay (in ₹)?
6. 6.A watch bought for ₹1200 is sold at a loss of 20%. What is the selling price (in ₹)?
7. 7.How many minutes does a car take to go 16 km at 30 km/h?
8. 8.A price comes down by 30% and then comes down by 40% more. By what percent has it come down in all? =
9. 9.Find the simple interest on ₹4800 at 2% per year for 5 years (in ₹).
10. 10.The simple interest on ₹12100 for 1 year is ₹1573. What is the rate of interest (% per year)?
11. 11.Find the amount when ₹8960 is invested at 25% per year compound interest for 3 years (in ₹).
12. 12.Isha and Ishaan together finish a job in 2 days. Isha alone takes 4 days. How many days would Ishaan take alone?
13. 13.By selling a bicycle for ₹1064, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
14. 14.After a 10% discount, a study lamp costs ₹846. What was its marked price (in ₹)?
15. 15.The average of 4 numbers is 40. When one more number is added, the average becomes 46. What number was added?
16. 16.Change 15 m/s into km/h.
17. 17.The simple interest on ₹15300 for 4 years is ₹3672. What is the rate of interest (% per year)?
18. 18.A bus runs at 30 km/h. How far does it go in 90 minutes (in km)?
19. 19.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
20. 20.Find the amount when ₹36875 is invested at 4% per year compound interest for 2 years (in ₹).
21. 21.A cricket bat bought for ₹1920 is sold at a loss of 20%. What is the selling price (in ₹)?
22. 22.A bus runs at 27 km/h. How far does it go in 20 minutes (in km)?
23. 23.A car runs for 3 hours at 78 km/h and then for 1 hour at 58 km/h. What is its average speed for the whole journey (in km/h)?
24. 24.A watch is marked at ₹550. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
25. 25.Marks of 5 friends in a quiz: 33, 43, 28, 24, 47. What is their average mark?
26. 26.By selling a table fan for ₹621, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
27. 27.Kavya’s father is four times as old as Kavya. The sum of their ages is 60 years. How old is the father?
28. 28.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
29. 29.By selling a table fan for ₹1298, a shopkeeper makes a profit of 10%. What did the table fan cost the shopkeeper (in ₹)?
30. 30.Change 72 km/h into metres per second.
31. 31.A bus runs at 21 km/h. How far does it go in 20 minutes (in km)?
32. 32.A car runs for 4 hours at 64 km/h and then for 2 hours at 76 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.Marks of 4 friends in a quiz: 15, 37, 22, 14. What is their average mark?
35. 35.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 18 years. How old is Ishaan?
36. 36.Farhan’s batting average after 15 innings is 33 runs. How many runs must Farhan score in the next innings to raise the average to 34?
37. 37.Arjun’s father is five times as old as Arjun. The sum of their ages is 90 years. How old is Arjun?
38. 38.What is the difference between the compound interest and the simple interest on ₹40200 at 20% per year for 2 years (in ₹)?
39. 39.A bus runs at 84 km/h. How far does it go in 40 minutes (in km)?
40. 40.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?

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