Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 255 · 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.Pooja’s batting average after 8 innings is 34 runs. How many runs must Pooja score in the next innings to raise the average to 35?
2. 2.Kabir’s batting average after 7 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 53?
3. 3.The average weight of 9 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
4. 4.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
5. 5.Find the amount when ₹46875 is invested at 12% per year compound interest for 3 years (in ₹).
6. 6.A bicycle bought for ₹400 is sold at a loss of 50%. What is the selling price (in ₹)?
7. 7.Vivaan and Kabir together finish a job in 2 days. Vivaan alone takes 3 days. How many days would Kabir take alone?
8. 8.Marks of 5 friends in a quiz: 71, 88, 91, 65, 75. What is their average mark?
9. 9.What sum of money earns ₹650 simple interest in 2 years at 13% per year (in ₹)?
10. 10.Ananya’s father is three times as old as Ananya. The sum of their ages is 28 years. How old is the father?
11. 11.The average of 4 numbers is 31. When one more number is added, the average becomes 32. What number was added?
12. 12.Change 36 km/h into metres per second.
13. 13.Dev can finish a job in 10 days and Rohan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.By selling a cricket bat for ₹912, a shopkeeper makes a loss of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
15. 15.A water tank holds 4040 litres. 10% of the water is used. How many litres are left?
16. 16.After a 50% discount, a study lamp costs ₹700. What was its marked price (in ₹)?
17. 17.After a 5% discount, a bicycle costs ₹361. What was its marked price (in ₹)?
18. 18.A price comes down by 15% and then comes down by 50% more. By what percent has it come down in all? =
19. 19.Arjun’s batting average after 12 innings is 23 runs. How many runs must Arjun score in the next innings to raise the average to 25?
20. 20.A shopkeeper buys a cricket bat for ₹620 and sells it for ₹434. Find the loss percent.
21. 21.Find the amount when ₹6400 is invested at 5% per year compound interest for 2 years (in ₹).
22. 22.A bus runs at 72 km/h. How far does it go in 90 minutes (in km)?
23. 23.By selling a table fan for ₹1581, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
24. 24.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
25. 25.In how many years will ₹10100 earn ₹505 as simple interest at 5% per year?
26. 26.In 16 years, Vivaan will be twice as old as Vivaan was 2 years ago. How old is Vivaan now?
27. 27.In 24 years, Meera will be three times as old as Meera was 4 years ago. How old is Meera now?
28. 28.Change 18 km/h into metres per second.
29. 29.A car runs for 1 hour at 23 km/h and then for 2 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.Change 5 m/s into km/h.
31. 31.Aarav and Nisha together finish a job in 3 days. Aarav alone takes 4 days. How many days would Nisha take alone?
32. 32.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
33. 33.The price of a school bag changes from ₹4400 to ₹4840. By what percent did it go up?
34. 34.A water tank holds 1300 litres. 5% of the water is used. How many litres are left?
35. 35.By selling a bicycle for ₹975, a shopkeeper makes a loss of 25%. What did the bicycle cost the shopkeeper (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
37. 37.9 years ago, Diya’s mother was three times as old as Diya. The mother is 36 years old now. How old is Diya now?
38. 38.Change 108 km/h into metres per second.
39. 39.Saanvi is 7 years older than Rohan. In 8 years, the sum of their ages will be 41. How old is Rohan now?
40. 40.In how many years will ₹9200 earn ₹1380 as simple interest at 15% per year?

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