MEDIUM
8th Foundation
IMPORTANT
Earn 100

From 80 litres of 80% alcohol solution, 10 litres is removed and replaced by 5 litres of water. Find the percentage of alcohol in the solution.

Important Questions on Percentages

HARD
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 34
A's weight is 20% more than B's weight, whose weight is 30% more than C's weight. Then A's weight is 50% more than C's weight. Verify.
HARD
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 35
Three numbers are given. If the second and the third numbers, respectively, are 25% and 50% more than the first, then what percentage of the second is the third ?
HARD
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 36
If 3313% of an AC ticket fare is equal to 6623% of a non-AC ticket fare, then what percentage of AC ticket fare is equal to non-AC ticket fare?
HARD
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 37
Ravi earned a sum of ₹ 10800 and donated 40% of it to charity. He gave 15% of the remaining amount to Ramu. After giving 25% of the remaining amount to Anitha, he deposited the rest in a bank. How much money did he deposit in the bank?
MEDIUM
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 38
The manufacturing cost of 10 articles is ₹ 150. Tax on each article is 6% of the manufacturing cost. Transportation cost comes to ₹ 1 per article. By what percent is the total cost more than the manufacturing cost?
MEDIUM
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 39
If x% of 25 is equal to y% of 15 and y% of 15 is equal to 25% of 20, then find the value of x.
MEDIUM
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 40
Rohan and Sohan earn salaries which are in the ratio of 3:4 respectivley. Sohan saves 11% of his salary and Rohan saves 18% of his salary. If Sohan saves ₹ 2310, then find the savings of Rohan.
MEDIUM
8th Foundation
IMPORTANT
Pearson IIT Foundation Mathematics Class 8>Chapter 3 - Percentages>PRACTICE QUESTIONS CLASSROOM WING>Q 40
Rohan and Sohan earn salaries which are in the ratio of 3:4 respectivley. Sohan saves 11% of his salary and Rohan saves 18% of his salary. If Sohan saves ₹ 2310, then find the sum of the salaries of both.