Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 416 · 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.Arjun’s batting average after 7 innings is 47 runs. How many runs must Arjun score in the next innings to raise the average to 50?
2. 2.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
3. 3.7 years ago, Aditya’s mother was twice as old as Aditya. The mother is 29 years old now. How old is Aditya now?
4. 4.By selling a pair of shoes for ₹960, a shopkeeper makes a profit of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
5. 5.Rahul can finish a job in 5 days and Tara in 10 days. What fraction of the job do they finish if they work together for 2 days? =
6. 6.Change 18 km/h into metres per second.
7. 7.A shop sells an average of 65 kg of sugar a day for 3 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
8. 8.Kabir’s batting average after 11 innings is 37 runs. How many runs must Kabir score in the next innings to raise the average to 40?
9. 9.Farhan is 5 years older than Rohan. In 5 years, the sum of their ages will be 65. How old is Rohan now?
10. 10.Saanvi can finish a job in 14 days and Dev in 7 days. What fraction of the job do they finish if they work together for 1 day? =
11. 11.Manav works twice as fast as Aarav. Together they finish a job in 3 days. How many days would Aarav take alone?
12. 12.Saanvi’s father is five times as old as Saanvi. The sum of their ages is 42 years. How old is the father?
13. 13.A pressure cooker marked at ₹4720 is sold for ₹3304. What is the discount percent?
14. 14.Change 20 m/s into km/h.
15. 15.Arjun and Pooja together finish a job in 6 days. Arjun alone takes 9 days. How many days would Pooja take alone?
16. 16.Find the simple interest on ₹11100 at 7% per year for 5 years (in ₹).
17. 17.How many minutes does a car take to go 100 km at 50 km/h?
18. 18.Kabir cycles to his school at 35 km/h and comes back by the same road at 63 km/h. What is his average speed for the whole trip (in km/h)?
19. 19.10 years ago, Aditya’s mother was twice as old as Aditya. The mother is 26 years old now. How old is Aditya now?
20. 20.Marks of 6 friends in a quiz: 12, 37, 8, 11, 32, 38. What is their average mark?
21. 21.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
22. 22.Find the amount when ₹26875 is invested at 4% per year compound interest for 2 years (in ₹).
23. 23.Ishaan works three times as fast as Rohan. Together they finish a job in 2 days. How many days would Rohan take alone?
24. 24.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
25. 25.A cricket bat is marked at ₹1325. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
26. 26.In 12 years, Manav will be three times as old as Manav was 4 years ago. How old is Manav now?
27. 27.By selling a pressure cooker for ₹384, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
28. 28.A study lamp is marked at ₹1040. The shop gives a 10% discount. How much do you pay (in ₹)?
29. 29.A shop sells an average of 33 kg of sugar a day for 3 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
30. 30.Find the amount when ₹1250 is invested at 8% per year compound interest for 2 years (in ₹).
31. 31.Tara can finish a job in 17 days and Ananya in 15 days. What fraction of the job do they finish if they work together for 1 day? =
32. 32.Change 30 m/s into km/h.
33. 33.Find the simple interest on ₹10400 at 3% per year for 1 year (in ₹).
34. 34.A price comes down by 40% and then comes down by 40% more. By what percent has it come down in all? =
35. 35.9 years ago, Karan’s mother was four times as old as Karan. The mother is 45 years old now. How old is Karan now?
36. 36.A pressure cooker bought for ₹1180 is sold at a loss of 15%. What is the selling price (in ₹)?
37. 37.After a 50% discount, a watch costs ₹240. What was its marked price (in ₹)?
38. 38.What sum of money earns ₹730 simple interest in 1 year at 5% per year (in ₹)?
39. 39.Find the compound interest on ₹1344 at 25% per year for 2 years, added every year (in ₹).
40. 40.Marks of 6 friends in a quiz: 55, 33, 44, 61, 37, 46. What is their average mark?

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