Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 902 · 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 table fan is marked at ₹460. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
2. 2.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
3. 3.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
4. 4.A shop sells 4480 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
5. 5.Aditya and Nisha together finish a job in 4 days. Aditya alone takes 12 days. How many days would Nisha take alone?
6. 6.What sum of money earns ₹840 simple interest in 5 years at 14% per year (in ₹)?
7. 7.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
8. 8.Marks of 4 friends in a quiz: 65, 68, 46, 37. What is their average mark?
9. 9.Rahul is 6 years older than Kavya. In 9 years, the sum of their ages will be 56. How old is Kavya now?
10. 10.Rohan’s batting average after 8 innings is 21 runs. How many runs must Rohan score in the next innings to raise the average to 23?
11. 11.What is the difference between the compound interest and the simple interest on ₹35000 at 8% per year for 2 years (in ₹)?
12. 12.Kabir’s father is four times as old as Kabir. The sum of their ages is 70 years. How old is the father?
13. 13.Find the compound interest on ₹11504 at 25% per year for 2 years, added every year (in ₹).
14. 14.Saanvi is 3 years older than Ananya. In 7 years, the sum of their ages will be 65. How old is Ananya now?
15. 15.A water tank holds 3740 litres. 20% of the water is used. How many litres are left?
16. 16.Rohan’s batting average after 10 innings is 22 runs. How many runs must Rohan score in the next innings to raise the average to 27?
17. 17.Change 18 km/h into metres per second.
18. 18.A bicycle is marked at ₹548. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
19. 19.The price of a school bag changes from ₹3240 to ₹4860. By what percent did it go up?
20. 20.Marks of 4 friends in a quiz: 30, 26, 43, 21. What is their average mark?
21. 21.Find the simple interest on ₹13400 at 7% per year for 1 year (in ₹).
22. 22.A bus runs at 48 km/h. How far does it go in 15 minutes (in km)?
23. 23.Find the amount when ₹34000 is invested at 10% per year compound interest for 3 years (in ₹).
24. 24.A table fan is marked at ₹3420. The shop gives a 5% discount. How much do you pay (in ₹)?
25. 25.3 years ago, Rohan’s mother was three times as old as Rohan. The mother is 27 years old now. How old is Rohan now?
26. 26.What sum of money earns ₹1968 simple interest in 2 years at 8% per year (in ₹)?
27. 27.Dev is 4 years older than Kabir. In 4 years, the sum of their ages will be 38. How old is Kabir now?
28. 28.Find the simple interest on ₹11000 at 8% per year for 4 years (in ₹).
29. 29.6 years ago, Rahul’s mother was twice as old as Rahul. The mother is 26 years old now. How old is Rahul now?
30. 30.A shop sells 1460 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
31. 31.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
32. 32.A price goes up by 20% and then goes up by 20% more. By what percent has it gone up in all? =
33. 33.In 11 years, Rohan will be three times as old as Rohan was 3 years ago. How old is Rohan now?
34. 34.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
35. 35.The average of 7 numbers is 52. When one more number is added, the average becomes 56. What number was added?
36. 36.A car runs for 3 hours at 51 km/h and then for 2 hours at 76 km/h. What is its average speed for the whole journey (in km/h)?
37. 37.A price goes up by 5% and then goes up by 15% more. By what percent has it gone up in all? =
38. 38.A bus runs at 30 km/h. How far does it go in 10 minutes (in km)?
39. 39.A bicycle bought for ₹220 is sold at a loss of 20%. What is the selling price (in ₹)?
40. 40.Find the compound interest on ₹10975 at 20% per year for 2 years, added every year (in ₹).

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