Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 867 · 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 15% discount, a pair of shoes costs ₹1156. What was its marked price (in ₹)?
2. 2.A car runs for 2 hours at 41 km/h and then for 2 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.Diya puts ₹6200 in a bank at 7% simple interest per year. How much will she have after 4 years (in ₹)?
4. 4.After a 30% discount, a cricket bat costs ₹224. What was its marked price (in ₹)?
5. 5.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
6. 6.A shop sells an average of 39 kg of sugar a day for 6 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
7. 7.Find the amount when ₹23000 is invested at 20% per year compound interest for 3 years (in ₹).
8. 8.The simple interest on ₹18700 for 4 years is ₹2244. What is the rate of interest (% per year)?
9. 9.Arjun works three times as fast as Vivaan. Together they finish a job in 8 days. How many days would Vivaan take alone?
10. 10.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
11. 11.Find the simple interest on ₹6700 at 9% per year for 4 years (in ₹).
12. 12.By selling a pair of shoes for ₹1886, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
13. 13.A pressure cooker marked at ₹2120 is sold for ₹1908. What is the discount percent?
14. 14.Marks of 5 friends in a quiz: 30, 7, 32, 19, 12. What is their average mark?
15. 15.What sum of money earns ₹656 simple interest in 1 year at 8% per year (in ₹)?
16. 16.Saanvi can finish a job in 2 days and Dev in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.A water tank holds 1740 litres. 50% of the water is used. How many litres are left?
18. 18.Saanvi’s batting average after 13 innings is 31 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
19. 19.By selling a table fan for ₹494, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
20. 20.By selling a pair of shoes for ₹2850, a shopkeeper makes a profit of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
21. 21.The average of 9 numbers is 52. When one more number is added, the average becomes 55. What number was added?
22. 22.A bicycle marked at ₹4140 is sold for ₹2484. What is the discount percent?
23. 23.The price of a bicycle is ₹3240. It goes up by 15%. What is the new price (in ₹)?
24. 24.In 25 years, Nisha will be twice as old as Nisha was 4 years ago. How old is Nisha now?
25. 25.A town has 500 people. Its population grows by 25%. How many people live there now?
26. 26.9 years ago, Isha’s mother was four times as old as Isha. The mother is 49 years old now. How old is Isha now?
27. 27.Aditya’s father is four times as old as Aditya. The sum of their ages is 75 years. How old is the father?
28. 28.The price of a school bag changes from ₹1060 to ₹1166. By what percent did it go up?
29. 29.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
30. 30.In 3 years, Nisha will be three times as old as Nisha was 5 years ago. How old is Nisha now?
31. 31.The price of a school bag changes from ₹1500 to ₹1350. By what percent did it come down?
32. 32.A shop sells 2540 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
33. 33.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
34. 34.Aarav’s father is five times as old as Aarav. The sum of their ages is 84 years. How old is the father?
35. 35.Find the amount when ₹42304 is invested at 25% per year compound interest for 3 years (in ₹).
36. 36.A price comes down by 30% and then comes down by 40% more. By what percent has it come down in all? =
37. 37.8 years ago, Nisha’s mother was twice as old as Nisha. The mother is 30 years old now. How old is Nisha now?
38. 38.Zoya can finish a job in 8 days and Isha in 6 days. Zoya works alone for 4 days and then stops. Isha finishes the rest. How many days does Isha take?
39. 39.A bus runs at 60 km/h. How far does it go in 30 minutes (in km)?
40. 40.Aditya’s father is five times as old as Aditya. The sum of their ages is 54 years. How old is Aditya?

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