Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 609 · 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.How many minutes does a car take to go 37 km at 60 km/h?
2. 2.8 years ago, Tara’s mother was three times as old as Tara. The mother is 20 years old now. How old is Tara now?
3. 3.The average of 7 numbers is 25. When one more number is added, the average becomes 31. What number was added?
4. 4.What sum of money earns ₹6480 simple interest in 4 years at 10% per year (in ₹)?
5. 5.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate of interest (% per year)?
6. 6.Rohan works twice as fast as Rahul. Together they finish a job in 5 days. How many days would Rahul take alone?
7. 7.Marks of 4 friends in a quiz: 18, 23, 42, 37. What is their average mark?
8. 8.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Marks of 5 friends in a quiz: 35, 12, 13, 25, 35. What is their average mark?
10. 10.Diya puts ₹4200 in a bank at 14% simple interest per year. How much will she have after 3 years (in ₹)?
11. 11.Marks of 6 friends in a quiz: 30, 35, 35, 28, 30, 70. What is their average mark?
12. 12.Change 36 km/h into metres per second.
13. 13.Arjun can finish a job in 7 days and Aarav in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.A table fan marked at ₹1300 is sold for ₹975. What is the discount percent?
15. 15.The average of 9 numbers is 15. When one more number is added, the average becomes 18. What number was added?
16. 16.Vivaan’s batting average after 15 innings is 32 runs. How many runs must Vivaan score in the next innings to raise the average to 35?
17. 17.Arjun can finish a job in 10 days and Kabir in 13 days. What fraction of the job do they finish if they work together for 2 days? =
18. 18.By selling a pressure cooker for ₹364, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
19. 19.Isha works twice as fast as Tara. Together they finish a job in 11 days. How many days would Tara take alone?
20. 20.A cricket bat is marked at ₹1360. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
21. 21.A watch is marked at ₹456. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
22. 22.What sum of money earns ₹840 simple interest in 3 years at 2% per year (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹34400 at 25% per year for 2 years (in ₹)?
24. 24.By selling a watch for ₹380, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
25. 25.A study lamp is marked at ₹820. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
26. 26.Pooja works three times as fast as Nisha. Together they finish a job in 6 days. How many days would Nisha take alone?
27. 27.Diya puts ₹6600 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
28. 28.A car runs for 1 hour at 42 km/h and then for 4 hours at 62 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.Kavya can finish a job in 9 days and Arjun in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.What sum of money earns ₹1562 simple interest in 2 years at 11% per year (in ₹)?
31. 31.Meera’s father is five times as old as Meera. The sum of their ages is 90 years. How old is Meera?
32. 32.Find the compound interest on ₹44375 at 12% per year for 2 years, added every year (in ₹).
33. 33.Diya is 9 years older than Ananya. In 2 years, the sum of their ages will be 61. How old is Ananya now?
34. 34.The average of 8 numbers is 41. When one more number is added, the average becomes 47. What number was added?
35. 35.Marks of 5 friends in a quiz: 32, 36, 23, 51, 38. What is their average mark?
36. 36.Kabir cycles to his school at 14 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
37. 37.The price of a school bag changes from ₹260 to ₹273. By what percent did it go up?
38. 38.The simple interest on ₹10600 for 3 years is ₹3816. What is the rate of interest (% per year)?
39. 39.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
40. 40.In 4 years, Aditya will be three times as old as Aditya was 6 years ago. How old is Aditya now?

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