Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 142 · 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.In how many years will ₹1000 earn ₹100 as simple interest at 2% per year?
2. 2.Vivaan can finish a job in 13 days and Priya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
3. 3.10 years ago, Zoya’s mother was four times as old as Zoya. The mother is 26 years old now. How old is Zoya now?
4. 4.Marks of 5 friends in a quiz: 88, 67, 83, 75, 82. What is their average mark?
5. 5.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
6. 6.Change 30 m/s into km/h.
7. 7.A school bag is marked at ₹4640. The shop gives a 5% discount. How much do you pay (in ₹)?
8. 8.The price of a school bag changes from ₹420 to ₹525. By what percent did it go up?
9. 9.Find the simple interest on ₹500 at 11% per year for 2 years (in ₹).
10. 10.3 years ago, Ananya’s mother was four times as old as Ananya. The mother is 35 years old now. How old is Ananya now?
11. 11.Diya puts ₹1400 in a bank at 7% simple interest per year. How much will she have after 4 years (in ₹)?
12. 12.Rohan works twice as fast as Aditya. Together they finish a job in 5 days. How many days would Aditya take alone?
13. 13.By selling a watch for ₹2300, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
14. 14.Aarav’s father is three times as old as Aarav. The sum of their ages is 20 years. How old is the father?
15. 15.Tara and Kabir together finish a job in 15 days. Tara alone takes 30 days. How many days would Kabir take alone?
16. 16.The simple interest on ₹18200 for 2 years is ₹3640. What is the rate of interest (% per year)?
17. 17.A shopkeeper buys a bicycle for ₹560 and sells it for ₹728. Find the profit percent.
18. 18.A price goes up by 40% and then goes up by 40% more. By what percent has it gone up in all? =
19. 19.Farhan can finish a job in 16 days and Manav in 28 days. Farhan works alone for 4 days and then stops. Manav finishes the rest. How many days does Manav take?
20. 20.A shopkeeper buys a pressure cooker for ₹1120 and sells it for ₹560. Find the loss percent.
21. 21.Find the amount when ₹14325 is invested at 20% per year compound interest for 2 years (in ₹).
22. 22.Ananya’s father is three times as old as Ananya. The sum of their ages is 44 years. How old is the father?
23. 23.A shopkeeper buys a study lamp for ₹440 and sells it for ₹660. Find the profit percent.
24. 24.A price goes up by 25% and then goes up by 40% more. By what percent has it gone up in all? =
25. 25.Nisha’s batting average after 15 innings is 43 runs. How many runs must Nisha score in the next innings to raise the average to 46?
26. 26.Change 54 km/h into metres per second.
27. 27.Isha’s father is five times as old as Isha. The sum of their ages is 60 years. How old is Isha?
28. 28.Ananya can finish a job in 6 days and Kabir in 4 days. Ananya works alone for 3 days and then stops. Kabir finishes the rest. How many days does Kabir take?
29. 29.A town has 1300 people. Its population grows by 20%. How many people live there now?
30. 30.Marks of 5 friends in a quiz: 31, 38, 54, 61, 46. What is their average mark?
31. 31.A price goes up by 15% and then goes up by 30% more. By what percent has it gone up in all? =
32. 32.In how many years will ₹18600 earn ₹2604 as simple interest at 14% per year?
33. 33.By selling a study lamp for ₹1386, a shopkeeper makes a loss of 30%. What did the study lamp cost the shopkeeper (in ₹)?
34. 34.A price comes down by 30% and then comes down by 50% more. By what percent has it come down in all? =
35. 35.Isha can finish a job in 7 days and Karan in 17 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 ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
37. 37.A shopkeeper buys a cricket bat for ₹200 and sells it for ₹170. Find the loss percent.
38. 38.In 5 years, Manav will be twice as old as Manav was 3 years ago. How old is Manav now?
39. 39.In 21 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
40. 40.Find the simple interest on ₹13400 at 11% per year for 3 years (in ₹).

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