Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 447 · 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.After a 20% discount, a school bag costs ₹480. What was its marked price (in ₹)?
2. 2.Ananya’s father is four times as old as Ananya. The sum of their ages is 55 years. How old is Ananya?
3. 3.Change 108 km/h into metres per second.
4. 4.The simple interest on ₹6500 for 2 years is ₹260. What is the rate of interest (% per year)?
5. 5.Zoya and Diya together finish a job in 6 days. Zoya alone takes 9 days. How many days would Diya take alone?
6. 6.Find the compound interest on ₹26250 at 8% per year for 2 years, added every year (in ₹).
7. 7.Nisha and Rohan together finish a job in 3 days. Nisha alone takes 4 days. How many days would Rohan take alone?
8. 8.A water tank holds 2520 litres. 30% of the water is used. How many litres are left?
9. 9.A pressure cooker marked at ₹740 is sold for ₹629. What is the discount percent?
10. 10.Zoya’s father is four times as old as Zoya. The sum of their ages is 75 years. How old is Zoya?
11. 11.The price of a bicycle is ₹1500. It goes up by 25%. What is the new price (in ₹)?
12. 12.3 years ago, Dev’s mother was three times as old as Dev. The mother is 21 years old now. How old is Dev now?
13. 13.Meera’s father is twice as old as Meera. The sum of their ages is 42 years. How old is the father?
14. 14.Ananya can finish a job in 14 days and Zoya in 7 days. Ananya works alone for 12 days and then stops. Zoya finishes the rest. How many days does Zoya take?
15. 15.In 12 years, Karan will be twice as old as Karan was 3 years ago. How old is Karan now?
16. 16.Change 35 m/s into km/h.
17. 17.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
18. 18.A shopkeeper buys a watch for ₹940 and sells it for ₹1081. Find the profit percent.
19. 19.A price goes up by 50% and then comes down by 25%. By what percent has it gone up in all? =
20. 20.In 18 years, Meera will be twice as old as Meera was 6 years ago. How old is Meera now?
21. 21.Diya and Nisha together finish a job in 2 days. Diya alone takes 6 days. How many days would Nisha take alone?
22. 22.The simple interest on ₹2300 for 3 years is ₹1035. What is the rate of interest (% per year)?
23. 23.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
24. 24.Find the compound interest on ₹31200 at 5% per year for 2 years, added every year (in ₹).
25. 25.After a 50% discount, a bicycle costs ₹410. What was its marked price (in ₹)?
26. 26.After a 25% discount, a pressure cooker costs ₹2760. What was its marked price (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹4400 at 15% per year for 2 years (in ₹)?
29. 29.Vivaan’s father is three times as old as Vivaan. The sum of their ages is 48 years. How old is Vivaan?
30. 30.Diya puts ₹11900 in a bank at 9% simple interest per year. How much will she have after 2 years (in ₹)?
31. 31.Find the compound interest on ₹8000 at 5% per year for 3 years, added every year (in ₹).
32. 32.What sum of money earns ₹1080 simple interest in 3 years at 6% per year (in ₹)?
33. 33.Diya puts ₹5100 in a bank at 5% simple interest per year. How much will she have after 3 years (in ₹)?
34. 34.Change 25 m/s into km/h.
35. 35.The price of a school bag changes from ₹2440 to ₹3660. By what percent did it go up?
36. 36.In how many years will ₹9000 earn ₹2430 as simple interest at 9% per year?
37. 37.A town has 4860 people. Its population grows by 30%. How many people live there now?
38. 38.By selling a cricket bat for ₹1200, a shopkeeper makes a loss of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
39. 39.A watch bought for ₹840 is sold at a profit of 10%. What is the selling price (in ₹)?
40. 40.A shopkeeper buys a school bag for ₹60 and sells it for ₹75. Find the profit percent.

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