Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 595 · 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.The simple interest on ₹9700 for 1 year is ₹1455. What is the rate of interest (% per year)?
2. 2.Marks of 5 friends in a quiz: 40, 48, 49, 48, 40. What is their average mark?
3. 3.Change 54 km/h into metres per second.
4. 4.Find the amount when ₹49000 is invested at 10% per year compound interest for 3 years (in ₹).
5. 5.A cricket bat marked at ₹2660 is sold for ₹2394. What is the discount percent?
6. 6.The price of a school bag changes from ₹4140 to ₹3519. By what percent did it come down?
7. 7.A bus runs at 80 km/h. How far does it go in 30 minutes (in km)?
8. 8.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
9. 9.Kabir cycles to his school at 30 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.Marks of 4 friends in a quiz: 21, 41, 38, 36. What is their average mark?
11. 11.Zoya and Aarav together finish a job in 2 days. Zoya alone takes 4 days. How many days would Aarav take alone?
12. 12.Karan’s father is three times as old as Karan. The sum of their ages is 48 years. How old is the father?
13. 13.2 years ago, Farhan’s mother was four times as old as Farhan. The mother is 22 years old now. How old is Farhan now?
14. 14.The average weight of 6 children is 42 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
15. 15.A pressure cooker bought for ₹200 is sold at a loss of 15%. What is the selling price (in ₹)?
16. 16.Find the simple interest on ₹11100 at 9% per year for 2 years (in ₹).
17. 17.The average of 7 numbers is 52. When one more number is added, the average becomes 53. What number was added?
18. 18.A cricket bat bought for ₹300 is sold at a profit of 5%. What is the selling price (in ₹)?
19. 19.How many minutes does a car take to go 69 km at 45 km/h?
20. 20.Change 72 km/h into metres per second.
21. 21.Zoya’s batting average after 12 innings is 26 runs. How many runs must Zoya score in the next innings to raise the average to 31?
22. 22.Meera can finish a job in 4 days and Vivaan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
24. 24.A shopkeeper buys a study lamp for ₹320 and sells it for ₹384. Find the profit percent.
25. 25.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
26. 26.What is the difference between the compound interest and the simple interest on ₹40400 at 15% per year for 2 years (in ₹)?
27. 27.Change 25 m/s into km/h.
28. 28.In how many years will ₹5500 earn ₹550 as simple interest at 2% per year?
29. 29.By selling a table fan for ₹731, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
30. 30.A water tank holds 4020 litres. 5% of the water is used. How many litres are left?
31. 31.The average of 5 numbers is 33. When one more number is added, the average becomes 37. What number was added?
32. 32.A shopkeeper buys a cricket bat for ₹1900 and sells it for ₹1425. Find the loss percent.
33. 33.Find the compound interest on ₹46200 at 10% per year for 2 years, added every year (in ₹).
34. 34.In 1 years, Zoya will be twice as old as Zoya was 4 years ago. How old is Zoya now?
35. 35.By selling a school bag for ₹120, a shopkeeper makes a loss of 25%. What did the school bag cost the shopkeeper (in ₹)?
36. 36.Kabir cycles to his school at 24 km/h and comes back by the same road at 40 km/h. What is his average speed for the whole trip (in km/h)?
37. 37.A price goes up by 25% and then goes up by 5% more. By what percent has it gone up in all? =
38. 38.Ishaan can finish a job in 10 days and Kavya in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.A shop sells an average of 38 kg of sugar a day for 6 days, and then 63 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
40. 40.What is the difference between the compound interest and the simple interest on ₹20000 at 8% per year for 2 years (in ₹)?

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