Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 280 · 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.The average of 9 numbers is 48. When one more number is added, the average becomes 50. What number was added?
2. 2.Marks of 4 friends in a quiz: 47, 42, 43, 80. What is their average mark?
3. 3.In how many years will ₹6800 earn ₹816 as simple interest at 3% per year?
4. 4.Find the compound interest on ₹1250 at 4% per year for 2 years, added every year (in ₹).
5. 5.Find the compound interest on ₹10000 at 5% per year for 2 years, added every year (in ₹).
6. 6.A bus runs at 82 km/h. How far does it go in 90 minutes (in km)?
7. 7.A water tank holds 4980 litres. 50% of the water is used. How many litres are left?
8. 8.Tara can finish a job in 14 days and Karan in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.Priya’s father is three times as old as Priya. The sum of their ages is 20 years. How old is the father?
10. 10.By selling a bicycle for ₹696, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
11. 11.A car runs for 4 hours at 47 km/h and then for 2 hours at 62 km/h. What is its average speed for the whole journey (in km/h)?
12. 12.A water tank holds 3080 litres. 20% of the water is used. How many litres are left?
13. 13.Sneha can finish a job in 11 days and Tara in 10 days. What fraction of the job do they finish if they work together for 2 days? =
14. 14.Marks of 5 friends in a quiz: 22, 35, 13, 22, 18. What is their average mark?
15. 15.The average of 6 numbers is 24. When one more number is added, the average becomes 25. What number was added?
16. 16.The price of a school bag changes from ₹140 to ₹175. By what percent did it go up?
17. 17.What is the difference between the compound interest and the simple interest on ₹45200 at 15% per year for 2 years (in ₹)?
18. 18.Diya is 8 years older than Rahul. In 9 years, the sum of their ages will be 50. How old is Rahul now?
19. 19.Manav can finish a job in 20 days and Aarav in 10 days. Manav works alone for 16 days and then stops. Aarav finishes the rest. How many days does Aarav take?
20. 20.The average of 9 numbers is 26. When one more number is added, the average becomes 28. What number was added?
21. 21.In 30 years, Rohan will be three times as old as Rohan was 2 years ago. How old is Rohan now?
22. 22.Marks of 6 friends in a quiz: 80, 93, 78, 101, 75, 89. What is their average mark?
23. 23.In 9 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?
24. 24.A pair of shoes is marked at ₹825. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
25. 25.A school bag is marked at ₹4520. The shop gives a 5% discount. How much do you pay (in ₹)?
26. 26.A bicycle bought for ₹620 is sold at a loss of 25%. What is the selling price (in ₹)?
27. 27.Marks of 5 friends in a quiz: 44, 27, 31, 43, 10. What is their average mark?
28. 28.Find the simple interest on ₹17900 at 12% per year for 1 year (in ₹).
29. 29.Find the compound interest on ₹32000 at 15% per year for 3 years, added every year (in ₹).
30. 30.By selling a school bag for ₹368, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
31. 31.Find the simple interest on ₹16600 at 11% per year for 1 year (in ₹).
32. 32.Kavya’s batting average after 7 innings is 38 runs. How many runs must Kavya score in the next innings to raise the average to 41?
33. 33.A town has 3520 people. Its population grows by 20%. How many people live there now?
34. 34.Aditya and Manav together finish a job in 5 days. Aditya alone takes 6 days. How many days would Manav take alone?
35. 35.What is the difference between the compound interest and the simple interest on ₹2400 at 20% per year for 2 years (in ₹)?
36. 36.Find the amount when ₹700 is invested at 10% per year compound interest for 2 years (in ₹).
37. 37.A shopkeeper buys a pressure cooker for ₹1560 and sells it for ₹1248. Find the loss percent.
38. 38.A cricket bat bought for ₹1620 is sold at a loss of 15%. What is the selling price (in ₹)?
39. 39.The price of a bicycle is ₹960. It goes up by 15%. What is the new price (in ₹)?
40. 40.The simple interest on ₹6200 for 1 year is ₹496. What is the rate of interest (% per year)?

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