in statistical survey of 1003 families of Kolkata, it was found that 63 families has neither a radio nor a TV. 794 families has a radio and 187 has TV. The number of families in that group having both a radio and a TV is ________.

in statistical survey of 1003 families of Kolkata, it was found that 6

1.	in statistical survey of 1003 families of Kolkata, it was found that 63 families has neither a radio nor a TV. 794 families has a radio and 187 has TV. The number of families in that group having both a radio and a TV is ________.
A.	40
B.	41
C.	42
D.	43
Answer» C. 42

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in statistical survey of 1003 families of Kolkata, it was found that 63 families has neither a radio nor a TV. 794 families has a radio and 187 has TV. The number of families in that group having both a radio and a TV is ________.

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