Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 499 · 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.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 30 years. How old is the father?
2. 2.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
3. 3.A bus runs at 38 km/h. How far does it go in 90 minutes (in km)?
4. 4.What is the difference between the compound interest and the simple interest on ₹12000 at 5% per year for 2 years (in ₹)?
5. 5.By selling a school bag for ₹720, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
6. 6.A bus runs at 54 km/h. How far does it go in 30 minutes (in km)?
7. 7.A pressure cooker bought for ₹1960 is sold at a profit of 50%. What is the selling price (in ₹)?
8. 8.A water tank holds 3520 litres. 30% of the water is used. How many litres are left?
9. 9.A school bag marked at ₹2220 is sold for ₹1998. What is the discount percent?
10. 10.Change 20 m/s into km/h.
11. 11.Change 15 m/s into km/h.
12. 12.Meera works three times as fast as Kavya. Together they finish a job in 9 days. How many days would Kavya take alone?
13. 13.Marks of 5 friends in a quiz: 66, 58, 58, 44, 59. What is their average mark?
14. 14.A shop sells an average of 71 kg of sugar a day for 6 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
15. 15.A shopkeeper buys a pressure cooker for ₹340 and sells it for ₹306. Find the loss percent.
16. 16.A pair of shoes is marked at ₹1000. The shop gives a 5% discount. How much do you pay (in ₹)?
17. 17.A town has 2460 people. Its population grows by 25%. How many people live there now?
18. 18.Farhan’s batting average after 6 innings is 41 runs. How many runs must Farhan score in the next innings to raise the average to 43?
19. 19.By selling a cricket bat for ₹522, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
20. 20.The average of 5 numbers is 54. When one more number is added, the average becomes 60. What number was added?
21. 21.How many minutes does a car take to go 27 km at 54 km/h?
22. 22.The average weight of 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
23. 23.What is the difference between the compound interest and the simple interest on ₹40400 at 25% per year for 2 years (in ₹)?
24. 24.The simple interest on ₹1300 for 5 years is ₹325. What is the rate of interest (% per year)?
25. 25.A water tank holds 3780 litres. 40% of the water is used. How many litres are left?
26. 26.A shopkeeper buys a school bag for ₹480 and sells it for ₹720. Find the profit percent.
27. 27.Pooja can finish a job in 12 days and Zoya in 19 days. What fraction of the job do they finish if they work together for 3 days? =
28. 28.What is the difference between the compound interest and the simple interest on ₹22800 at 5% per year for 2 years (in ₹)?
29. 29.In how many years will ₹9400 earn ₹282 as simple interest at 3% per year?
30. 30.A car runs for 4 hours at 20 km/h and then for 4 hours at 42 km/h. What is its average speed for the whole journey (in km/h)?
31. 31.Find the amount when ₹35000 is invested at 4% per year compound interest for 2 years (in ₹).
32. 32.A water tank holds 80 litres. 20% of the water is used. How many litres are left?
33. 33.What sum of money earns ₹3860 simple interest in 2 years at 10% per year (in ₹)?
34. 34.Find the amount when ₹15400 is invested at 10% per year compound interest for 2 years (in ₹).
35. 35.The average of 7 numbers is 59. When one more number is added, the average becomes 64. What number was added?
36. 36.A pair of shoes is marked at ₹1240. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
37. 37.4 years ago, Meera’s mother was four times as old as Meera. The mother is 44 years old now. How old is Meera now?
38. 38.The price of a school bag changes from ₹3260 to ₹2771. By what percent did it come down?
39. 39.In how many years will ₹7900 earn ₹395 as simple interest at 5% per year?
40. 40.A shopkeeper buys a bicycle for ₹1720 and sells it for ₹2150. Find the profit percent.

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