Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 367 · 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 price of a school bag changes from ₹4200 to ₹5250. By what percent did it go up?
2. 2.A town has 2440 people. Its population grows by 30%. How many people live there now?
3. 3.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
4. 4.The price of a school bag changes from ₹4340 to ₹4557. By what percent did it go up?
5. 5.A car runs for 1 hour at 78 km/h and then for 2 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.A town has 2000 people. Its population grows by 25%. How many people live there now?
7. 7.After a 25% discount, a school bag costs ₹90. What was its marked price (in ₹)?
8. 8.Ananya can finish a job in 8 days and Kavya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.Find the amount when ₹28000 is invested at 10% per year compound interest for 3 years (in ₹).
10. 10.The price of a bicycle is ₹1340. It goes up by 40%. What is the new price (in ₹)?
11. 11.A shopkeeper buys a table fan for ₹120 and sells it for ₹144. Find the profit percent.
12. 12.Find the amount when ₹3125 is invested at 4% per year compound interest for 2 years (in ₹).
13. 13.A bus runs at 46 km/h. How far does it go in 90 minutes (in km)?
14. 14.Arjun’s batting average after 11 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 38?
15. 15.What is the difference between the compound interest and the simple interest on ₹17300 at 10% per year for 2 years (in ₹)?
16. 16.In how many years will ₹3000 earn ₹360 as simple interest at 6% per year?
17. 17.What is the difference between the compound interest and the simple interest on ₹5300 at 10% per year for 2 years (in ₹)?
18. 18.Diya puts ₹9800 in a bank at 8% simple interest per year. How much will she have after 4 years (in ₹)?
19. 19.By selling a bicycle for ₹730, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
20. 20.What sum of money earns ₹850 simple interest in 1 year at 10% per year (in ₹)?
21. 21.The simple interest on ₹1600 for 3 years is ₹480. What is the rate of interest (% per year)?
22. 22.The simple interest on ₹19600 for 4 years is ₹4704. What is the rate of interest (% per year)?
23. 23.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
24. 24.Rohan’s batting average after 9 innings is 47 runs. How many runs must Rohan score in the next innings to raise the average to 50?
25. 25.Marks of 4 friends in a quiz: 22, 33, 25, 68. What is their average mark?
26. 26.A school bag marked at ₹160 is sold for ₹112. What is the discount percent?
27. 27.Farhan works three times as fast as Sneha. Together they finish a job in 8 days. How many days would Sneha take alone?
28. 28.A shopkeeper buys a watch for ₹440 and sells it for ₹308. Find the loss percent.
29. 29.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
30. 30.A shopkeeper buys a table fan for ₹140 and sells it for ₹168. Find the profit percent.
31. 31.In 18 years, Nisha will be three times as old as Nisha was 2 years ago. How old is Nisha now?
32. 32.Marks of 6 friends in a quiz: 73, 95, 85, 73, 73, 99. What is their average mark?
33. 33.By selling a pressure cooker for ₹1296, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
34. 34.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)?
35. 35.Kavya can finish a job in 6 days and Nisha in 18 days. What fraction of the job do they finish if they work together for 1 day? =
36. 36.By selling a study lamp for ₹1224, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
37. 37.The average of 7 numbers is 53. When one more number is added, the average becomes 57. What number was added?
38. 38.Kavya and Meera together finish a job in 2 days. Kavya alone takes 3 days. How many days would Meera take alone?
39. 39.A shopkeeper buys a pressure cooker for ₹1900 and sells it for ₹1140. Find the loss percent.
40. 40.Arjun’s father is four times as old as Arjun. The sum of their ages is 45 years. How old is the father?

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