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
Read 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
