Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 359 · 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.A shop sells 4600 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
2. 2.A school bag bought for ₹400 is sold at a loss of 25%. What is the selling price (in ₹)?
3. 3.The price of a school bag changes from ₹1980 to ₹2178. By what percent did it go up?
4. 4.A bicycle marked at ₹3420 is sold for ₹1710. What is the discount percent?
5. 5.Ananya and Isha together finish a job in 7 days. Ananya alone takes 8 days. How many days would Isha take alone?
6. 6.A price goes up by 40% and then goes up by 30% more. By what percent has it gone up in all? =
7. 7.A watch is marked at ₹1800. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
8. 8.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
9. 9.Diya’s father is five times as old as Diya. The sum of their ages is 42 years. How old is the father?
10. 10.6 years ago, Kavya’s mother was twice as old as Kavya. The mother is 12 years old now. How old is Kavya now?
11. 11.Marks of 6 friends in a quiz: 22, 14, 16, 20, 25, 71. What is their average mark?
12. 12.A school bag is marked at ₹450. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
13. 13.A study lamp bought for ₹520 is sold at a loss of 50%. What is the selling price (in ₹)?
14. 14.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
15. 15.A shopkeeper buys a pair of shoes for ₹1280 and sells it for ₹1408. Find the profit percent.
16. 16.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
17. 17.Find the compound interest on ₹36400 at 5% per year for 2 years, added every year (in ₹).
18. 18.The simple interest on ₹11100 for 4 years is ₹3552. What is the rate of interest (% per year)?
19. 19.A study lamp is marked at ₹1060. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
20. 20.2 years ago, Diya’s mother was four times as old as Diya. The mother is 14 years old now. How old is Diya now?
21. 21.Diya puts ₹8700 in a bank at 9% simple interest per year. How much will she have after 2 years (in ₹)?
22. 22.After a 50% discount, a bicycle costs ₹460. What was its marked price (in ₹)?
23. 23.Karan’s batting average after 15 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 25?
24. 24.Change 54 km/h into metres per second.
25. 25.By selling a watch for ₹741, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
26. 26.A pressure cooker is marked at ₹3800. The shop gives a 30% discount. How much do you pay (in ₹)?
27. 27.A town has 1060 people. Its population grows by 5%. How many people live there now?
28. 28.Rahul can finish a job in 20 days and Kavya in 17 days. What fraction of the job do they finish if they work together for 1 day? =
29. 29.Find the amount when ₹38400 is invested at 10% per year compound interest for 2 years (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹35000 at 4% per year for 2 years (in ₹)?
31. 31.Zoya’s father is twice as old as Zoya. The sum of their ages is 15 years. How old is Zoya?
32. 32.In 5 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
33. 33.Kabir cycles to his school at 20 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A shop sells 4940 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
35. 35.Marks of 4 friends in a quiz: 50, 54, 36, 48. What is their average mark?
36. 36.The simple interest on ₹11800 for 1 year is ₹354. What is the rate of interest (% per year)?
37. 37.Kabir cycles to his school at 60 km/h and comes back by the same road at 84 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.Change 36 km/h into metres per second.
39. 39.The simple interest on ₹13600 for 2 years is ₹816. What is the rate of interest (% per year)?
40. 40.Find the compound interest on ₹19792 at 25% per year for 2 years, added every year (in ₹).

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