Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 123 · 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.Find the compound interest on ₹27200 at 5% per year for 2 years, added every year (in ₹).
2. 2.Saanvi works three times as fast as Arjun. Together they finish a job in 12 days. How many days would Arjun take alone?
3. 3.Kabir can finish a job in 16 days and Meera in 11 days. What fraction of the job do they finish if they work together for 3 days? =
4. 4.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
5. 5.Marks of 6 friends in a quiz: 10, 31, 26, 38, 21, 12. What is their average mark?
6. 6.A car runs for 1 hour at 62 km/h and then for 2 hours at 44 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Ishaan works twice as fast as Ananya. Together they finish a job in 12 days. How many days would Ananya take alone?
8. 8.A shopkeeper buys a pair of shoes for ₹260 and sells it for ₹247. Find the loss percent.
9. 9.A school bag marked at ₹1940 is sold for ₹970. What is the discount percent?
10. 10.A bus runs at 24 km/h. How far does it go in 40 minutes (in km)?
11. 11.2 years ago, Kavya’s mother was twice as old as Kavya. The mother is 16 years old now. How old is Kavya now?
12. 12.The average of 9 numbers is 38. When one more number is added, the average becomes 41. What number was added?
13. 13.The simple interest on ₹19700 for 2 years is ₹5516. What is the rate of interest (% per year)?
14. 14.2 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 30 years old now. How old is Vivaan now?
15. 15.A car runs for 1 hour at 62 km/h and then for 1 hour at 32 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.What is the difference between the compound interest and the simple interest on ₹38900 at 10% per year for 2 years (in ₹)?
17. 17.Karan can finish a job in 20 days and Arjun in 13 days. What fraction of the job do they finish if they work together for 3 days? =
18. 18.Aditya is 2 years older than Farhan. In 2 years, the sum of their ages will be 20. How old is Farhan now?
19. 19.By selling a school bag for ₹1008, a shopkeeper makes a loss of 20%. What did the school bag cost the shopkeeper (in ₹)?
20. 20.Ishaan and Rahul together finish a job in 9 days. Ishaan alone takes 10 days. How many days would Rahul take alone?
21. 21.Find the simple interest on ₹6200 at 14% per year for 2 years (in ₹).
22. 22.Change 90 km/h into metres per second.
23. 23.A car runs for 1 hour at 80 km/h and then for 1 hour at 24 km/h. What is its average speed for the whole journey (in km/h)?
24. 24.Marks of 4 friends in a quiz: 54, 55, 61, 18. What is their average mark?
25. 25.What sum of money earns ₹300 simple interest in 1 year at 5% per year (in ₹)?
26. 26.Sneha can finish a job in 2 days and Dev in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.Marks of 6 friends in a quiz: 55, 49, 62, 54, 50, 90. What is their average mark?
28. 28.A pair of shoes is marked at ₹1600. The shop gives a 50% discount. How much do you pay (in ₹)?
29. 29.By selling a cricket bat for ₹1320, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
30. 30.A table fan marked at ₹780 is sold for ₹624. What is the discount percent?
31. 31.8 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 28 years old now. How old is Vivaan now?
32. 32.A shop sells an average of 56 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
33. 33.Meera works three times as fast as Manav. Together they finish a job in 10 days. How many days would Manav take alone?
34. 34.The average of 9 numbers is 42. When one more number is added, the average becomes 46. What number was added?
35. 35.Aarav can finish a job in 30 days and Meera in 24 days. Aarav works alone for 20 days and then stops. Meera finishes the rest. How many days does Meera take?
36. 36.A price comes down by 15% and then comes down by 5% more. By what percent has it come down in all? =
37. 37.Marks of 6 friends in a quiz: 61, 55, 45, 49, 55, 23. What is their average mark?
38. 38.A shopkeeper buys a table fan for ₹1140 and sells it for ₹1425. Find the profit percent.
39. 39.Rohan can finish a job in 11 days and Meera in 7 days. What fraction of the job do they finish if they work together for 2 days? =
40. 40.A shop sells an average of 63 kg of sugar a day for 5 days, and then 55 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?

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