Question:
In a class of 150 students 55 speak English, 85 speak Hindi. 30 students speak neither English nor Hindi. How many speak both English and Hindi ?
A40
B20
C15
DNone of these
Answer:
B. 20
Explanation:
Total students = 150 Students who can speak English = 55 Students who cannot speak English = 150 -55 = 95 Hindi speaking students = 85 Students who cannot speak hindi = 150 - 85 = 65 Students who do not know how to speak English and Hindi = 30 Students who can speak English and Hindi = 150 - ( 95 + 65 -30) = 150 -130 = 20