Question

72% of 25 students are good.in math how many students are not good nhi math?​

Answer 1

Answer:

Let A = {factors of 24} and B = {factors of 30}, find

i. A ∪ B ii. A ∩ B iii. A – B

72% of 25 students are good.in math how many students are not good nhi math

Also verify that, n(A – B) = n(A) – n(A ∩ B) = n(A ∪ B) – n(B)