Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 7 · 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.A bicycle bought for ₹1380 is sold at a loss of 50%. What is the selling price (in ₹)?
2. 2.The simple interest on ₹1600 for 3 years is ₹624. What is the rate of interest (% per year)?
3. 3.A shop sells an average of 34 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
4. 4.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =
5. 5.What is the difference between the compound interest and the simple interest on ₹47300 at 20% per year for 2 years (in ₹)?
6. 6.Isha and Saanvi together finish a job in 2 days. Isha alone takes 3 days. How many days would Saanvi take alone?
7. 7.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
8. 8.In 17 years, Priya will be three times as old as Priya was 3 years ago. How old is Priya now?
9. 9.A shopkeeper buys a watch for ₹1660 and sells it for ₹2158. Find the profit percent.
10. 10.Aditya can finish a job in 4 days and Ananya in 15 days. What fraction of the job do they finish if they work together for 1 day? =
11. 11.A water tank holds 1100 litres. 50% of the water is used. How many litres are left?
12. 12.Marks of 4 friends in a quiz: 71, 91, 94, 88. What is their average mark?
13. 13.Saanvi is 3 years older than Aditya. In 8 years, the sum of their ages will be 75. How old is Aditya now?
14. 14.Kabir can finish a job in 20 days and Farhan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.What is the difference between the compound interest and the simple interest on ₹50000 at 5% per year for 2 years (in ₹)?
16. 16.A watch bought for ₹1200 is sold at a loss of 10%. What is the selling price (in ₹)?
17. 17.Farhan can finish a job in 17 days and Kavya in 10 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.A shop sells an average of 80 kg of sugar a day for 4 days, and then 58 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
19. 19.The price of a school bag changes from ₹3820 to ₹4584. By what percent did it go up?
20. 20.A bicycle marked at ₹3840 is sold for ₹3648. What is the discount percent?
21. 21.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
22. 22.Tara’s father is five times as old as Tara. The sum of their ages is 30 years. How old is Tara?
23. 23.After a 15% discount, a pair of shoes costs ₹170. What was its marked price (in ₹)?
24. 24.By selling a study lamp for ₹1534, a shopkeeper makes a profit of 30%. What did the study lamp cost the shopkeeper (in ₹)?
25. 25.A shopkeeper buys a pressure cooker for ₹1440 and sells it for ₹1656. Find the profit percent.
26. 26.A town has 3620 people. Its population grows by 25%. How many people live there now?
27. 27.By selling a table fan for ₹364, a shopkeeper makes a loss of 30%. What did the table fan cost the shopkeeper (in ₹)?
28. 28.Change 36 km/h into metres per second.
29. 29.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
30. 30.In how many years will ₹1900 earn ₹532 as simple interest at 7% per year?
31. 31.A table fan bought for ₹560 is sold at a profit of 50%. What is the selling price (in ₹)?
32. 32.The price of a school bag changes from ₹3360 to ₹4200. By what percent did it go up?
33. 33.After a 10% discount, a bicycle costs ₹810. What was its marked price (in ₹)?
34. 34.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
35. 35.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
36. 36.Diya’s batting average after 13 innings is 40 runs. How many runs must Diya score in the next innings to raise the average to 44?
37. 37.Rahul’s father is three times as old as Rahul. The sum of their ages is 28 years. How old is the father?
38. 38.The price of a school bag changes from ₹1280 to ₹1152. By what percent did it come down?
39. 39.Find the amount when ₹17920 is invested at 25% per year compound interest for 3 years (in ₹).
40. 40.A pressure cooker bought for ₹800 is sold at a profit of 40%. What is the selling price (in ₹)?

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