Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 985 · 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 price comes down by 50% and then comes down by 20% more. By what percent has it come down in all? =
2. 2.Aarav’s father is five times as old as Aarav. The sum of their ages is 84 years. How old is the father?
3. 3.Find the compound interest on ₹8000 at 5% per year for 2 years, added every year (in ₹).
4. 4.A shopkeeper buys a bicycle for ₹760 and sells it for ₹684. Find the loss percent.
5. 5.Change 25 m/s into km/h.
6. 6.Kavya’s father is three times as old as Kavya. The sum of their ages is 56 years. How old is Kavya?
7. 7.Tara can finish a job in 7 days and Saanvi in 14 days. What fraction of the job do they finish if they work together for 1 day? =
8. 8.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
9. 9.What is the difference between the compound interest and the simple interest on ₹28200 at 20% per year for 2 years (in ₹)?
10. 10.A water tank holds 4420 litres. 50% of the water is used. How many litres are left?
11. 11.The price of a school bag changes from ₹3380 to ₹4732. By what percent did it go up?
12. 12.Find the compound interest on ₹1250 at 12% per year for 2 years, added every year (in ₹).
13. 13.Change 108 km/h into metres per second.
14. 14.5 years ago, Aarav’s mother was four times as old as Aarav. The mother is 53 years old now. How old is Aarav now?
15. 15.A shopkeeper buys a bicycle for ₹1600 and sells it for ₹1280. Find the loss percent.
16. 16.A car runs for 1 hour at 34 km/h and then for 4 hours at 24 km/h. What is its average speed for the whole journey (in km/h)?
17. 17.What is the difference between the compound interest and the simple interest on ₹45800 at 20% per year for 2 years (in ₹)?
18. 18.Dev’s father is twice as old as Dev. The sum of their ages is 36 years. How old is Dev?
19. 19.A price goes up by 20% and then goes up by 30% more. By what percent has it gone up in all? =
20. 20.Find the simple interest on ₹14700 at 7% per year for 2 years (in ₹).
21. 21.By selling a pair of shoes for ₹1265, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.How many minutes does a car take to go 64 km at 48 km/h?
23. 23.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
24. 24.Priya is 10 years older than Nisha. In 2 years, the sum of their ages will be 50. How old is Nisha now?
25. 25.Change 10 m/s into km/h.
26. 26.A water tank holds 3660 litres. 50% of the water is used. How many litres are left?
27. 27.In 13 years, Rahul will be twice as old as Rahul was 5 years ago. How old is Rahul now?
28. 28.8 years ago, Kavya’s mother was four times as old as Kavya. The mother is 40 years old now. How old is Kavya now?
29. 29.How many minutes does a car take to go 99 km at 55 km/h?
30. 30.Zoya’s batting average after 9 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 32?
31. 31.By selling a cricket bat for ₹1840, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
32. 32.The price of a bicycle is ₹960. It goes up by 20%. What is the new price (in ₹)?
33. 33.A shop sells 4080 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
34. 34.The average of 7 numbers is 33. When one more number is added, the average becomes 39. What number was added?
35. 35.Find the simple interest on ₹9600 at 10% per year for 2 years (in ₹).
36. 36.Rohan’s father is three times as old as Rohan. The sum of their ages is 36 years. How old is Rohan?
37. 37.Marks of 5 friends in a quiz: 53, 58, 42, 59, 68. What is their average mark?
38. 38.Karan is 2 years older than Meera. In 2 years, the sum of their ages will be 16. How old is Meera now?
39. 39.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
40. 40.A pair of shoes is marked at ₹560. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?

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