Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 781 · 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 2 hours at 33 km/h and then for 2 hours at 43 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.Arjun’s batting average after 6 innings is 22 runs. How many runs must Arjun score in the next innings to raise the average to 27?
3. 3.Marks of 6 friends in a quiz: 26, 22, 19, 34, 39, 28. What is their average mark?
4. 4.2 years ago, Ananya’s mother was three times as old as Ananya. The mother is 17 years old now. How old is Ananya now?
5. 5.Saanvi and Rahul together finish a job in 6 days. Saanvi alone takes 8 days. How many days would Rahul take alone?
6. 6.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
7. 7.A shopkeeper buys a school bag for ₹340 and sells it for ₹425. Find the profit percent.
8. 8.Change 5 m/s into km/h.
9. 9.A study lamp is marked at ₹580. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
10. 10.What sum of money earns ₹708 simple interest in 1 year at 12% per year (in ₹)?
11. 11.Isha can finish a job in 10 days and Rahul in 18 days. What fraction of the job do they finish if they work together for 2 days? =
12. 12.A table fan is marked at ₹600. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
13. 13.Find the simple interest on ₹4500 at 5% per year for 3 years (in ₹).
14. 14.Find the amount when ₹18400 is invested at 15% per year compound interest for 2 years (in ₹).
15. 15.Nisha’s father is four times as old as Nisha. The sum of their ages is 25 years. How old is Nisha?
16. 16.A pressure cooker marked at ₹900 is sold for ₹810. What is the discount percent?
17. 17.The average weight of 12 children is 46 kg. One child, who weighs 79 kg, leaves the group. What is the new average weight (in kg)?
18. 18.Isha and Vivaan together finish a job in 6 days. Isha alone takes 9 days. How many days would Vivaan take alone?
19. 19.A study lamp bought for ₹820 is sold at a profit of 50%. What is the selling price (in ₹)?
20. 20.After a 15% discount, a cricket bat costs ₹1836. What was its marked price (in ₹)?
21. 21.A school bag bought for ₹1460 is sold at a loss of 30%. What is the selling price (in ₹)?
22. 22.By selling a cricket bat for ₹414, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
23. 23.Dev’s father is five times as old as Dev. The sum of their ages is 90 years. How old is Dev?
24. 24.By selling a bicycle for ₹1568, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
25. 25.A price comes down by 20% and then comes down by 50% more. By what percent has it come down in all? =
26. 26.What sum of money earns ₹5220 simple interest in 3 years at 12% per year (in ₹)?
27. 27.The price of a bicycle is ₹1400. It goes up by 20%. What is the new price (in ₹)?
28. 28.Change 18 km/h into metres per second.
29. 29.A town has 4080 people. Its population grows by 40%. How many people live there now?
30. 30.Farhan can finish a job in 20 days and Kabir in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.Aarav’s batting average after 6 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 38?
32. 32.Marks of 4 friends in a quiz: 85, 85, 69, 81. What is their average mark?
33. 33.Vivaan can finish a job in 12 days and Arjun in 16 days. Vivaan works alone for 9 days and then stops. Arjun finishes the rest. How many days does Arjun take?
34. 34.Change 36 km/h into metres per second.
35. 35.Find the amount when ₹625 is invested at 12% per year compound interest for 2 years (in ₹).
36. 36.A shopkeeper buys a pressure cooker for ₹960 and sells it for ₹1344. Find the profit percent.
37. 37.A table fan is marked at ₹3200. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
38. 38.Zoya’s father is four times as old as Zoya. The sum of their ages is 30 years. How old is Zoya?
39. 39.A bus runs at 22 km/h. How far does it go in 90 minutes (in km)?
40. 40.Find the simple interest on ₹16900 at 3% per year for 3 years (in ₹).

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