Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 876 · 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 average of 9 numbers is 37. When one more number is added, the average becomes 41. What number was added?
2. 2.By selling a watch for ₹36, a shopkeeper makes a loss of 40%. What did the watch cost the shopkeeper (in ₹)?
3. 3.A bus runs at 62 km/h. How far does it go in 90 minutes (in km)?
4. 4.A watch marked at ₹4240 is sold for ₹2120. What is the discount percent?
5. 5.A pair of shoes is marked at ₹4120. The shop gives a 15% discount. How much do you pay (in ₹)?
6. 6.The price of a bicycle is ₹2740. It goes up by 10%. What is the new price (in ₹)?
7. 7.By selling a pressure cooker for ₹64, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
8. 8.Ananya is 8 years older than Dev. In 5 years, the sum of their ages will be 42. How old is Dev now?
9. 9.A price goes up by 15% and then goes up by 40% more. By what percent has it gone up in all? =
10. 10.A watch is marked at ₹4360. The shop gives a 40% discount. How much do you pay (in ₹)?
11. 11.A bicycle is marked at ₹2700. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
12. 12.The simple interest on ₹3900 for 5 years is ₹1560. What is the rate of interest (% per year)?
13. 13.Nisha’s batting average after 6 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 25?
14. 14.What sum of money earns ₹1050 simple interest in 5 years at 10% per year (in ₹)?
15. 15.Manav’s batting average after 6 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 31?
16. 16.What is the difference between the compound interest and the simple interest on ₹26800 at 25% per year for 2 years (in ₹)?
17. 17.What sum of money earns ₹302 simple interest in 1 year at 2% per year (in ₹)?
18. 18.Marks of 4 friends in a quiz: 39, 33, 46, 10. What is their average mark?
19. 19.A bicycle is marked at ₹575. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
20. 20.Pooja works twice as fast as Kabir. Together they finish a job in 10 days. How many days would Kabir take alone?
21. 21.Farhan’s father is four times as old as Farhan. The sum of their ages is 75 years. How old is Farhan?
22. 22.What is the difference between the compound interest and the simple interest on ₹12800 at 5% per year for 2 years (in ₹)?
23. 23.Find the amount when ₹46400 is invested at 10% per year compound interest for 2 years (in ₹).
24. 24.A bus runs at 30 km/h. How far does it go in 40 minutes (in km)?
25. 25.Find the simple interest on ₹1400 at 9% per year for 4 years (in ₹).
26. 26.A pressure cooker marked at ₹2780 is sold for ₹2363. What is the discount percent?
27. 27.A shop sells an average of 45 kg of sugar a day for 6 days, and then 65 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
28. 28.A price comes down by 25% and then comes down by 50% more. By what percent has it come down in all? =
29. 29.Change 10 m/s into km/h.
30. 30.In 3 years, Sneha will be twice as old as Sneha was 4 years ago. How old is Sneha now?
31. 31.Find the compound interest on ₹38000 at 10% per year for 3 years, added every year (in ₹).
32. 32.By selling a study lamp for ₹1408, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
33. 33.Diya works twice as fast as Rahul. Together they finish a job in 4 days. How many days would Rahul take alone?
34. 34.A shop sells 1960 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
35. 35.Farhan can finish a job in 7 days and Ishaan in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.Kabir cycles to his school at 90 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
37. 37.A bicycle marked at ₹4760 is sold for ₹4046. What is the discount percent?
38. 38.Karan works twice as fast as Isha. Together they finish a job in 9 days. How many days would Isha take alone?
39. 39.The average of 5 numbers is 51. When one more number is added, the average becomes 52. What number was added?
40. 40.Pooja’s batting average after 9 innings is 38 runs. How many runs must Pooja score in the next innings to raise the average to 39?

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