Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 345 · 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.By selling a pressure cooker for ₹1128, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
2. 2.The average of 4 numbers is 20. When one more number is added, the average becomes 25. What number was added?
3. 3.The price of a school bag changes from ₹940 to ₹1410. By what percent did it go up?
4. 4.The price of a bicycle is ₹260. It goes up by 25%. What is the new price (in ₹)?
5. 5.Diya’s father is twice as old as Diya. The sum of their ages is 27 years. How old is the father?
6. 6.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
7. 7.In 28 years, Ananya will be twice as old as Ananya was 4 years ago. How old is Ananya now?
8. 8.Diya’s father is twice as old as Diya. The sum of their ages is 42 years. How old is the father?
9. 9.A car runs for 1 hour at 47 km/h and then for 3 hours at 51 km/h. What is its average speed for the whole journey (in km/h)?
10. 10.Isha works twice as fast as Tara. Together they finish a job in 12 days. How many days would Tara take alone?
11. 11.A bus runs at 75 km/h. How far does it go in 40 minutes (in km)?
12. 12.Change 35 m/s into km/h.
13. 13.Find the amount when ₹5600 is invested at 15% per year compound interest for 2 years (in ₹).
14. 14.Manav can finish a job in 17 days and Aarav in 16 days. What fraction of the job do they finish if they work together for 3 days? =
15. 15.A car runs for 1 hour at 60 km/h and then for 1 hour at 42 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.Change 10 m/s into km/h.
17. 17.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
18. 18.8 years ago, Dev’s mother was four times as old as Dev. The mother is 44 years old now. How old is Dev now?
19. 19.Tara and Karan together finish a job in 6 days. Tara alone takes 9 days. How many days would Karan take alone?
20. 20.Diya puts ₹15400 in a bank at 5% simple interest per year. How much will she have after 5 years (in ₹)?
21. 21.A shop sells 3460 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
22. 22.The average of 5 numbers is 38. When one more number is added, the average becomes 43. What number was added?
23. 23.A bicycle bought for ₹240 is sold at a loss of 5%. What is the selling price (in ₹)?
24. 24.The simple interest on ₹15100 for 1 year is ₹604. What is the rate of interest (% per year)?
25. 25.Karan can finish a job in 28 days and Arjun in 4 days. Karan works alone for 14 days and then stops. Arjun finishes the rest. How many days does Arjun take?
26. 26.Saanvi can finish a job in 12 days and Arjun in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.What sum of money earns ₹30 simple interest in 1 year at 2% per year (in ₹)?
28. 28.Change 18 km/h into metres per second.
29. 29.A pair of shoes bought for ₹1800 is sold at a loss of 5%. What is the selling price (in ₹)?
30. 30.Change 15 m/s into km/h.
31. 31.What sum of money earns ₹4060 simple interest in 2 years at 14% per year (in ₹)?
32. 32.The average of 4 numbers is 28. When one more number is added, the average becomes 29. What number was added?
33. 33.Ishaan’s batting average after 11 innings is 34 runs. How many runs must Ishaan score in the next innings to raise the average to 35?
34. 34.By selling a study lamp for ₹980, a shopkeeper makes a loss of 50%. What did the study lamp cost the shopkeeper (in ₹)?
35. 35.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
36. 36.Arjun works three times as fast as Dev. Together they finish a job in 7 days. How many days would Dev take alone?
37. 37.What is the difference between the compound interest and the simple interest on ₹33600 at 5% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹24000 at 15% per year for 3 years, added every year (in ₹).
39. 39.Diya puts ₹3400 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
40. 40.A town has 1280 people. Its population grows by 20%. How many people live there now?

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