Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 121 · 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.A car runs for 3 hours at 58 km/h and then for 3 hours at 64 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.Kabir cycles to his school at 70 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.A bicycle marked at ₹2780 is sold for ₹2502. What is the discount percent?
4. 4.Change 30 m/s into km/h.
5. 5.Change 10 m/s into km/h.
6. 6.Ananya can finish a job in 14 days and Tara in 7 days. Ananya works alone for 2 days and then stops. Tara finishes the rest. How many days does Tara take?
7. 7.Ananya can finish a job in 18 days and Kavya in 9 days. Ananya works alone for 6 days and then stops. Kavya finishes the rest. How many days does Kavya take?
8. 8.Rahul’s batting average after 6 innings is 25 runs. How many runs must Rahul score in the next innings to raise the average to 26?
9. 9.5 years ago, Farhan’s mother was twice as old as Farhan. The mother is 21 years old now. How old is Farhan now?
10. 10.The price of a school bag changes from ₹3780 to ₹4158. By what percent did it go up?
11. 11.A table fan bought for ₹420 is sold at a profit of 15%. What is the selling price (in ₹)?
12. 12.2 years ago, Tara’s mother was three times as old as Tara. The mother is 29 years old now. How old is Tara now?
13. 13.Kavya can finish a job in 18 days and Rahul in 7 days. What fraction of the job do they finish if they work together for 1 day? =
14. 14.A water tank holds 3160 litres. 10% of the water is used. How many litres are left?
15. 15.A water tank holds 860 litres. 5% of the water is used. How many litres are left?
16. 16.The average of 5 numbers is 47. When one more number is added, the average becomes 51. What number was added?
17. 17.Zoya works twice as fast as Kavya. Together they finish a job in 3 days. How many days would Kavya take alone?
18. 18.A car runs for 1 hour at 78 km/h and then for 3 hours at 54 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.A price comes down by 40% and then comes down by 25% more. By what percent has it come down in all? =
20. 20.Tara’s father is five times as old as Tara. The sum of their ages is 90 years. How old is Tara?
21. 21.Kabir cycles to his school at 55 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
22. 22.Aarav’s father is four times as old as Aarav. The sum of their ages is 55 years. How old is the father?
23. 23.A price goes up by 50% and then comes down by 20%. By what percent has it gone up in all? =
24. 24.A pressure cooker is marked at ₹1275. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
25. 25.A car runs for 4 hours at 20 km/h and then for 1 hour at 65 km/h. What is its average speed for the whole journey (in km/h)?
26. 26.A price comes down by 50% and then comes down by 30% more. By what percent has it come down in all? =
27. 27.In 28 years, Manav will be three times as old as Manav was 4 years ago. How old is Manav now?
28. 28.Farhan is 6 years older than Zoya. In 2 years, the sum of their ages will be 64. How old is Zoya now?
29. 29.After a 15% discount, a pressure cooker costs ₹3655. What was its marked price (in ₹)?
30. 30.Marks of 5 friends in a quiz: 11, 20, 27, 25, 22. What is their average mark?
31. 31.Arjun and Nisha together finish a job in 3 days. Arjun alone takes 4 days. How many days would Nisha take alone?
32. 32.Find the compound interest on ₹31250 at 4% per year for 2 years, added every year (in ₹).
33. 33.3 years ago, Isha’s mother was four times as old as Isha. The mother is 31 years old now. How old is Isha now?
34. 34.Rahul and Manav together finish a job in 16 days. Rahul alone takes 20 days. How many days would Manav take alone?
35. 35.Marks of 4 friends in a quiz: 51, 52, 40, 5. What is their average mark?
36. 36.A shopkeeper buys a bicycle for ₹260 and sells it for ₹247. Find the loss percent.
37. 37.Priya’s father is four times as old as Priya. The sum of their ages is 50 years. How old is Priya?
38. 38.A cricket bat bought for ₹1340 is sold at a profit of 15%. What is the selling price (in ₹)?
39. 39.Find the compound interest on ₹43750 at 8% per year for 2 years, added every year (in ₹).
40. 40.Zoya’s batting average after 7 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 32?

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