Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 991 · 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.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
2. 2.Diya can finish a job in 11 days and Farhan in 22 days. Diya works alone for 3 days and then stops. Farhan finishes the rest. How many days does Farhan take?
3. 3.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
4. 4.By selling a cricket bat for ₹190, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
5. 5.A study lamp bought for ₹640 is sold at a profit of 30%. What is the selling price (in ₹)?
6. 6.Find the compound interest on ₹31250 at 12% per year for 2 years, added every year (in ₹).
7. 7.After a 15% discount, a pressure cooker costs ₹1020. What was its marked price (in ₹)?
8. 8.A shopkeeper buys a pressure cooker for ₹880 and sells it for ₹660. Find the loss percent.
9. 9.Arjun’s batting average after 10 innings is 38 runs. How many runs must Arjun score in the next innings to raise the average to 42?
10. 10.A shopkeeper buys a table fan for ₹400 and sells it for ₹440. Find the profit percent.
11. 11.After a 20% discount, a watch costs ₹1584. What was its marked price (in ₹)?
12. 12.Kabir cycles to his school at 30 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
13. 13.Meera can finish a job in 9 days and Karan in 18 days. What fraction of the job do they finish if they work together for 1 day? =
14. 14.Karan and Priya together finish a job in 10 days. Karan alone takes 12 days. How many days would Priya take alone?
15. 15.Find the amount when ₹17500 is invested at 10% per year compound interest for 2 years (in ₹).
16. 16.A pressure cooker is marked at ₹2120. The shop gives a 10% discount. How much do you pay (in ₹)?
17. 17.Priya can finish a job in 8 days and Saanvi in 6 days. What fraction of the job do they finish if they work together for 2 days? =
18. 18.A pair of shoes bought for ₹700 is sold at a loss of 30%. What is the selling price (in ₹)?
19. 19.Find the simple interest on ₹14000 at 3% per year for 4 years (in ₹).
20. 20.In 2 years, Kavya will be twice as old as Kavya was 5 years ago. How old is Kavya now?
21. 21.By selling a pair of shoes for ₹1064, a shopkeeper makes a profit of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
22. 22.Find the simple interest on ₹8900 at 5% per year for 5 years (in ₹).
23. 23.The price of a bicycle is ₹800. It goes up by 40%. What is the new price (in ₹)?
24. 24.Zoya’s batting average after 13 innings is 44 runs. How many runs must Zoya score in the next innings to raise the average to 45?
25. 25.A price comes down by 5% and then comes down by 15% more. By what percent has it come down in all? =
26. 26.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
27. 27.Find the amount when ₹13100 is invested at 10% per year compound interest for 2 years (in ₹).
28. 28.Nisha can finish a job in 20 days and Isha in 16 days. What fraction of the job do they finish if they work together for 3 days? =
29. 29.A price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
30. 30.The simple interest on ₹9200 for 2 years is ₹2024. What is the rate of interest (% per year)?
31. 31.A town has 2160 people. Its population grows by 30%. How many people live there now?
32. 32.A price comes down by 40% and then comes down by 40% more. By what percent has it come down in all? =
33. 33.Tara works twice as fast as Meera. Together they finish a job in 2 days. How many days would Meera take alone?
34. 34.Isha can finish a job in 7 days and Ishaan in 12 days. What fraction of the job do they finish if they work together for 2 days? =
35. 35.A shopkeeper buys a watch for ₹1000 and sells it for ₹900. Find the loss percent.
36. 36.Find the compound interest on ₹1100 at 10% per year for 2 years, added every year (in ₹).
37. 37.A school bag bought for ₹1920 is sold at a profit of 30%. What is the selling price (in ₹)?
38. 38.A price comes down by 20% and then comes down by 5% more. By what percent has it come down in all? =
39. 39.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
40. 40.Change 108 km/h into metres per second.

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