Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 308 · 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 pair of shoes bought for ₹140 is sold at a loss of 5%. What is the selling price (in ₹)?
2. 2.Change 18 km/h into metres per second.
3. 3.Pooja works three times as fast as Ananya. Together they finish a job in 11 days. How many days would Ananya take alone?
4. 4.Marks of 5 friends in a quiz: 69, 85, 90, 70, 66. What is their average mark?
5. 5.A cricket bat marked at ₹720 is sold for ₹504. What is the discount percent?
6. 6.Rohan’s father is twice as old as Rohan. The sum of their ages is 45 years. How old is Rohan?
7. 7.Find the amount when ₹40925 is invested at 20% per year compound interest for 2 years (in ₹).
8. 8.A shop sells an average of 75 kg of sugar a day for 3 days, and then 42 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
9. 9.Change 108 km/h into metres per second.
10. 10.Marks of 5 friends in a quiz: 82, 87, 70, 71, 95. What is their average mark?
11. 11.Priya and Arjun together finish a job in 2 days. Priya alone takes 3 days. How many days would Arjun take alone?
12. 12.Kabir’s batting average after 9 innings is 33 runs. How many runs must Kabir score in the next innings to raise the average to 36?
13. 13.Kabir cycles to his school at 12 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.Rahul is 2 years older than Tara. In 9 years, the sum of their ages will be 70. How old is Tara now?
15. 15.After a 5% discount, a pressure cooker costs ₹3211. What was its marked price (in ₹)?
16. 16.In how many years will ₹11900 earn ₹595 as simple interest at 5% per year?
17. 17.By selling a watch for ₹1482, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
18. 18.A shopkeeper buys a table fan for ₹280 and sells it for ₹322. Find the profit percent.
19. 19.What is the difference between the compound interest and the simple interest on ₹25000 at 8% per year for 2 years (in ₹)?
20. 20.The simple interest on ₹5700 for 2 years is ₹1026. What is the rate of interest (% per year)?
21. 21.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
22. 22.The price of a school bag changes from ₹2640 to ₹2244. By what percent did it come down?
23. 23.Arjun can finish a job in 7 days and Ishaan in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A watch marked at ₹1220 is sold for ₹1098. What is the discount percent?
25. 25.In how many years will ₹11100 earn ₹444 as simple interest at 2% per year?
26. 26.2 years ago, Kabir’s mother was twice as old as Kabir. The mother is 10 years old now. How old is Kabir now?
27. 27.Vivaan is 6 years older than Aditya. In 3 years, the sum of their ages will be 64. How old is Aditya now?
28. 28.A price goes up by 5% and then goes up by 15% more. By what percent has it gone up in all? =
29. 29.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
30. 30.Find the simple interest on ₹13100 at 14% per year for 1 year (in ₹).
31. 31.Change 72 km/h into metres per second.
32. 32.By selling a pair of shoes for ₹399, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
33. 33.Change 36 km/h into metres per second.
34. 34.Saanvi can finish a job in 5 days and Farhan in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
35. 35.A bus runs at 46 km/h. How far does it go in 90 minutes (in km)?
36. 36.A car runs for 4 hours at 68 km/h and then for 2 hours at 20 km/h. What is its average speed for the whole journey (in km/h)?
37. 37.By selling a bicycle for ₹380, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
38. 38.The price of a bicycle is ₹440. It goes up by 25%. What is the new price (in ₹)?
39. 39.Marks of 6 friends in a quiz: 54, 53, 45, 41, 55, 28. What is their average mark?
40. 40.Diya works three times as fast as Rohan. Together they finish a job in 11 days. How many days would Rohan take alone?

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