Question

please solve this question" In a class of certain school 50 students offered mathematics, 142 offered biology and 24 offered both the subject. Find the number of students. (A). offering mathematics only, (B) offering biology only and (C) offering any of the two objects

Answer 1

Answer by Venn diagram n(A) = n(m) - n(m intersection b) = 26 similarly b-118 c-168