1) which of the following hated file defence the standard i o predefined functions a) stdio.h b) math.h c) string.h d) ctype.h 2) which function is used to click whether a character is Alphanumeric or not. a) Isalpha()  b) isdigit() c) isalnum() d) islower() 3) which function begance in the program execution a) isalpha() b) Isdigit() c) main () d) islower() 4) which of the following function is with your 10th value and without any agreement a) x=display ( int, int) b) x=display() c) y=display( float) d) display( int) 5) which is written data type of the function property of ADD ( int, int) ;? a) int b) float c) char d) double 6) which of the following is the scope operator a) > b) & c) % d) : :

choose the correct answer 11th lesson functions

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