Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 72 · 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.Find the amount when ₹10625 is invested at 4% per year compound interest for 2 years (in ₹).
2. 2.A bicycle is marked at ₹2600. The shop gives a 15% discount. How much do you pay (in ₹)?
3. 3.Arjun can finish a job in 6 days and Kabir in 30 days. Arjun works alone for 4 days and then stops. Kabir finishes the rest. How many days does Kabir take?
4. 4.A town has 2760 people. Its population grows by 20%. How many people live there now?
5. 5.The price of a school bag changes from ₹2960 to ₹2812. By what percent did it come down?
6. 6.A cricket bat is marked at ₹920. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
7. 7.A water tank holds 140 litres. 10% of the water is used. How many litres are left?
8. 8.The price of a school bag changes from ₹4140 to ₹3933. By what percent did it come down?
9. 9.What sum of money earns ₹1612 simple interest in 1 year at 13% per year (in ₹)?
10. 10.A water tank holds 4300 litres. 5% of the water is used. How many litres are left?
11. 11.2 years ago, Aditya’s mother was three times as old as Aditya. The mother is 23 years old now. How old is Aditya now?
12. 12.A bicycle bought for ₹340 is sold at a profit of 30%. What is the selling price (in ₹)?
13. 13.A shopkeeper buys a study lamp for ₹120 and sells it for ₹156. Find the profit percent.
14. 14.A shop sells an average of 51 kg of sugar a day for 4 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
15. 15.A shop sells an average of 51 kg of sugar a day for 6 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
16. 16.Kabir cycles to his school at 36 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
17. 17.Rahul works twice as fast as Kavya. Together they finish a job in 4 days. How many days would Kavya take alone?
18. 18.The price of a school bag changes from ₹100 to ₹75. By what percent did it come down?
19. 19.Diya puts ₹2600 in a bank at 10% simple interest per year. How much will she have after 2 years (in ₹)?
20. 20.The price of a school bag changes from ₹4020 to ₹5628. By what percent did it go up?
21. 21.Meera can finish a job in 8 days and Manav in 7 days. What fraction of the job do they finish if they work together for 3 days? =
22. 22.In 14 years, Aditya will be three times as old as Aditya was 6 years ago. How old is Aditya now?
23. 23.The average of 5 numbers is 24. When one more number is added, the average becomes 27. What number was added?
24. 24.Farhan can finish a job in 18 days and Manav in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
25. 25.Arjun and Dev together finish a job in 9 days. Arjun alone takes 10 days. How many days would Dev take alone?
26. 26.How many minutes does a car take to go 32 km at 32 km/h?
27. 27.The simple interest on ₹12600 for 2 years is ₹1260. What is the rate of interest (% per year)?
28. 28.Kabir cycles to his school at 84 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.Ananya’s batting average after 13 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 40?
30. 30.A car runs for 3 hours at 67 km/h and then for 3 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
31. 31.How many minutes does a car take to go 24 km at 30 km/h?
32. 32.Diya puts ₹5100 in a bank at 10% simple interest per year. How much will she have after 2 years (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹15200 at 15% per year for 2 years (in ₹)?
34. 34.Aditya’s father is five times as old as Aditya. The sum of their ages is 48 years. How old is Aditya?
35. 35.The simple interest on ₹13500 for 1 year is ₹270. What is the rate of interest (% per year)?
36. 36.The average of 6 numbers is 15. When one more number is added, the average becomes 18. What number was added?
37. 37.Priya’s father is three times as old as Priya. The sum of their ages is 48 years. How old is Priya?
38. 38.Find the simple interest on ₹3300 at 3% per year for 3 years (in ₹).
39. 39.Kavya and Ishaan together finish a job in 5 days. Kavya alone takes 6 days. How many days would Ishaan take alone?
40. 40.A price comes down by 10% and then comes down by 10% more. By what percent has it come down in all? =

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