Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 8 · 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.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
2. 2.After a 20% discount, a watch costs ₹1168. What was its marked price (in ₹)?
3. 3.A car runs for 1 hour at 41 km/h and then for 1 hour at 37 km/h. What is its average speed for the whole journey (in km/h)?
4. 4.The price of a school bag changes from ₹4400 to ₹4180. By what percent did it come down?
5. 5.Diya puts ₹8100 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
6. 6.Find the simple interest on ₹12300 at 8% per year for 2 years (in ₹).
7. 7.In 30 years, Vivaan will be twice as old as Vivaan was 3 years ago. How old is Vivaan now?
8. 8.Kabir cycles to his school at 21 km/h and comes back by the same road at 77 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.A car runs for 3 hours at 70 km/h and then for 4 hours at 49 km/h. What is its average speed for the whole journey (in km/h)?
10. 10.The price of a bicycle is ₹2580. It goes up by 10%. What is the new price (in ₹)?
11. 11.A price comes down by 30% and then comes down by 20% more. By what percent has it come down in all? =
12. 12.A watch bought for ₹1420 is sold at a profit of 15%. What is the selling price (in ₹)?
13. 13.Sneha’s batting average after 15 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 27?
14. 14.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
15. 15.By selling a study lamp for ₹75, a shopkeeper makes a profit of 25%. What did the study lamp cost the shopkeeper (in ₹)?
16. 16.Kabir cycles to his school at 26 km/h and comes back by the same road at 78 km/h. What is his average speed for the whole trip (in km/h)?
17. 17.Arjun’s batting average after 8 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 51?
18. 18.The price of a school bag changes from ₹920 to ₹460. By what percent did it come down?
19. 19.After a 25% discount, a cricket bat costs ₹900. What was its marked price (in ₹)?
20. 20.A town has 3500 people. Its population grows by 15%. How many people live there now?
21. 21.A shopkeeper buys a cricket bat for ₹140 and sells it for ₹210. Find the profit percent.
22. 22.A study lamp bought for ₹1080 is sold at a profit of 25%. What is the selling price (in ₹)?
23. 23.After a 50% discount, a bicycle costs ₹2330. What was its marked price (in ₹)?
24. 24.Find the simple interest on ₹4000 at 4% per year for 2 years (in ₹).
25. 25.After a 10% discount, a pair of shoes costs ₹612. What was its marked price (in ₹)?
26. 26.A shop sells an average of 60 kg of sugar a day for 5 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
27. 27.Change 35 m/s into km/h.
28. 28.Find the amount when ₹15625 is invested at 12% per year compound interest for 2 years (in ₹).
29. 29.Karan is 2 years older than Dev. In 6 years, the sum of their ages will be 54. How old is Dev now?
30. 30.In 30 years, Sneha will be three times as old as Sneha was 4 years ago. How old is Sneha now?
31. 31.Meera’s batting average after 8 innings is 39 runs. How many runs must Meera score in the next innings to raise the average to 40?
32. 32.Zoya can finish a job in 16 days and Arjun in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
33. 33.After a 10% discount, a pair of shoes costs ₹2376. What was its marked price (in ₹)?
34. 34.Ishaan’s batting average after 13 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 53?
35. 35.Aarav can finish a job in 9 days and Rohan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.Find the amount when ₹3750 is invested at 4% per year compound interest for 2 years (in ₹).
37. 37.Kabir cycles to his school at 88 km/h and comes back by the same road at 33 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.A town has 4780 people. Its population grows by 10%. How many people live there now?
39. 39.Farhan can finish a job in 10 days and Ananya in 17 days. What fraction of the job do they finish if they work together for 3 days? =
40. 40.9 years ago, Arjun’s mother was four times as old as Arjun. The mother is 33 years old now. How old is Arjun now?

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