In a class of 60 children 30% children can speak only English, 20% Hindi and English both and the rest of the children can speak only Hindi. How many children can speak Hindi?
Correct Answer: 42
Explanation:
Number of student who speak only English =30% of 60 = 18
Number of student who speak Hindi and English =20% of 60 =12
∴Number of student who speak only Hindi = (60 - 30) = 30
∴Number of student who speak Hindi = 30 + 12 = 42
