Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 934 · 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.What is the difference between the compound interest and the simple interest on ₹2000 at 15% per year for 2 years (in ₹)?
2. 2.Aditya can finish a job in 4 days and Karan in 26 days. Aditya works alone for 2 days and then stops. Karan finishes the rest. How many days does Karan take?
3. 3.A cricket bat bought for ₹1180 is sold at a loss of 40%. What is the selling price (in ₹)?
4. 4.Pooja can finish a job in 5 days and Farhan in 8 days. What fraction of the job do they finish if they work together for 2 days? =
5. 5.Change 108 km/h into metres per second.
6. 6.After a 5% discount, a study lamp costs ₹3021. What was its marked price (in ₹)?
7. 7.The price of a school bag changes from ₹740 to ₹444. By what percent did it come down?
8. 8.Marks of 4 friends in a quiz: 90, 102, 74, 90. What is their average mark?
9. 9.Saanvi’s batting average after 15 innings is 24 runs. How many runs must Saanvi score in the next innings to raise the average to 26?
10. 10.Zoya can finish a job in 7 days and Ananya in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.A bicycle bought for ₹1020 is sold at a loss of 15%. What is the selling price (in ₹)?
12. 12.Find the simple interest on ₹4700 at 4% per year for 2 years (in ₹).
13. 13.Change 35 m/s into km/h.
14. 14.Diya puts ₹18400 in a bank at 8% simple interest per year. How much will she have after 2 years (in ₹)?
15. 15.A shopkeeper buys a watch for ₹960 and sells it for ₹1104. Find the profit percent.
16. 16.The average of 8 numbers is 17. When one more number is added, the average becomes 18. What number was added?
17. 17.A town has 3540 people. Its population grows by 15%. How many people live there now?
18. 18.Find the amount when ₹4608 is invested at 25% per year compound interest for 3 years (in ₹).
19. 19.A table fan marked at ₹1960 is sold for ₹1176. What is the discount percent?
20. 20.A water tank holds 640 litres. 30% of the water is used. How many litres are left?
21. 21.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
22. 22.A town has 4400 people. Its population grows by 50%. How many people live there now?
23. 23.Pooja is 2 years older than Isha. In 6 years, the sum of their ages will be 24. How old is Isha now?
24. 24.The average of 4 numbers is 47. When one more number is added, the average becomes 51. What number was added?
25. 25.Manav can finish a job in 5 days and Tara in 4 days. What fraction of the job do they finish if they work together for 2 days? =
26. 26.2 years ago, Farhan’s mother was four times as old as Farhan. The mother is 42 years old now. How old is Farhan now?
27. 27.A shop sells an average of 48 kg of sugar a day for 6 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
28. 28.A pressure cooker is marked at ₹1040. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
29. 29.Ananya’s father is twice as old as Ananya. The sum of their ages is 36 years. How old is Ananya?
30. 30.Marks of 5 friends in a quiz: 24, 17, 22, 20, 62. What is their average mark?
31. 31.A bus runs at 56 km/h. How far does it go in 15 minutes (in km)?
32. 32.The average of 9 numbers is 41. When one more number is added, the average becomes 47. What number was added?
33. 33.A price comes down by 25% and then comes down by 40% more. By what percent has it come down in all? =
34. 34.In 12 years, Dev will be twice as old as Dev was 5 years ago. How old is Dev now?
35. 35.In 11 years, Aarav will be twice as old as Aarav was 5 years ago. How old is Aarav now?
36. 36.Aditya’s batting average after 6 innings is 26 runs. How many runs must Aditya score in the next innings to raise the average to 31?
37. 37.A watch is marked at ₹4880. The shop gives a 25% discount. How much do you pay (in ₹)?
38. 38.A shop sells an average of 76 kg of sugar a day for 2 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
39. 39.Ishaan and Aditya together finish a job in 6 days. Ishaan alone takes 10 days. How many days would Aditya take alone?
40. 40.A study lamp bought for ₹1140 is sold at a loss of 10%. What is the selling price (in ₹)?

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