Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 596 · 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 8 numbers is 42. When one more number is added, the average becomes 47. What number was added?
2. 2.Find the amount when ₹25450 is invested at 20% per year compound interest for 2 years (in ₹).
3. 3.A table fan is marked at ₹850. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
4. 4.The price of a school bag changes from ₹4420 to ₹6630. By what percent did it go up?
5. 5.Aditya can finish a job in 4 days and Nisha in 10 days. Aditya works alone for 2 days and then stops. Nisha finishes the rest. How many days does Nisha take?
6. 6.A car runs for 1 hour at 45 km/h and then for 4 hours at 55 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Saanvi can finish a job in 18 days and Karan in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.A cricket bat bought for ₹320 is sold at a loss of 25%. What is the selling price (in ₹)?
9. 9.A shopkeeper buys a watch for ₹280 and sells it for ₹252. Find the loss percent.
10. 10.Marks of 6 friends in a quiz: 35, 48, 30, 33, 43, 39. What is their average mark?
11. 11.How many minutes does a car take to go 120 km at 32 km/h?
12. 12.A table fan is marked at ₹1560. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹42500 at 12% per year for 2 years (in ₹)?
14. 14.Aditya works three times as fast as Zoya. Together they finish a job in 4 days. How many days would Zoya take alone?
15. 15.Aarav can finish a job in 2 days and Tara in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.A pair of shoes bought for ₹1640 is sold at a profit of 40%. What is the selling price (in ₹)?
17. 17.Diya puts ₹3800 in a bank at 13% simple interest per year. How much will she have after 4 years (in ₹)?
18. 18.Pooja can finish a job in 12 days and Zoya in 27 days. Pooja works alone for 4 days and then stops. Zoya finishes the rest. How many days does Zoya take?
19. 19.Change 36 km/h into metres per second.
20. 20.By selling a school bag for ₹2080, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
21. 21.Ananya can finish a job in 17 days and Aarav in 10 days. What fraction of the job do they finish if they work together for 1 day? =
22. 22.Meera can finish a job in 24 days and Aditya in 12 days. Meera works alone for 10 days and then stops. Aditya finishes the rest. How many days does Aditya take?
23. 23.A price comes down by 25% and then comes down by 15% more. By what percent has it come down in all? =
24. 24.Find the compound interest on ₹48000 at 5% per year for 3 years, added every year (in ₹).
25. 25.By selling a cricket bat for ₹1200, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
26. 26.A watch is marked at ₹1350. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
27. 27.The price of a school bag changes from ₹1300 to ₹1170. By what percent did it come down?
28. 28.Tara’s batting average after 5 innings is 44 runs. How many runs must Tara score in the next innings to raise the average to 49?
29. 29.The price of a school bag changes from ₹3600 to ₹3240. By what percent did it come down?
30. 30.A bus runs at 44 km/h. How far does it go in 90 minutes (in km)?
31. 31.Zoya and Ishaan together finish a job in 4 days. Zoya alone takes 8 days. How many days would Ishaan take alone?
32. 32.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
33. 33.Nisha can finish a job in 15 days and Karan in 21 days. Nisha works alone for 10 days and then stops. Karan finishes the rest. How many days does Karan take?
34. 34.Rahul can finish a job in 5 days and Manav in 10 days. Rahul works alone for 4 days and then stops. Manav finishes the rest. How many days does Manav take?
35. 35.Find the simple interest on ₹11600 at 4% per year for 4 years (in ₹).
36. 36.In 3 years, Pooja will be twice as old as Pooja was 6 years ago. How old is Pooja now?
37. 37.By selling a pressure cooker for ₹1034, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
38. 38.A pressure cooker is marked at ₹4220. The shop gives a 20% discount. How much do you pay (in ₹)?
39. 39.How many minutes does a car take to go 15 km at 30 km/h?
40. 40.Find the amount when ₹12500 is invested at 8% per year compound interest for 2 years (in ₹).

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