Learn
QUESTION
Q
In a class, 55% students passed in chemistry and 60% passed in math’s, 50% passed in both of these subjects. If...
Solution
Let, the total number of students be = N
Let, the number of students who passed in math’s and chemistry be ‘m’ and ‘c’ respectively.
n(c) = 55% of N = 0.55N
n(m) = 60% of N = 0.6N
n(m ∩ c) = 50% of N = 0.5N
Number of...
Register & Unlock access to Prep for free
Solution
.hez-title-solution{display: none;}
Keynote
n(a ∪ b) = n(a) + n(b) − n(a ∩ b)
n(a ∪ b) = N − n(a∪ b)'
0
Set Theory questions available for your Free Practice
0
Quantitative Ability questions available for your Free Practice
Practice
0
questions for Free
