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Which of the following law/s of integers with respect todivision are not valid.
a) commutative law                           
b) 
associative law
c) both a and b                    
d) none of these

c

Explanation:Because the answer of two numbers always changes the order of the integer.



Which one is multiplicative identity?
a) 1    
b) 0        
c) Itself
d) None

a

Explanation:5×1=5, 10×1=10



Any number divided by………..is equal to the number itself.
a) Itsef  
b) 0        
c) 1    
d) 2

c

Explanation:any number 5,    = 5



Any non-zero number divided by itself is equal to…………
a) 0    
b) 1        
c) 2    
d) 3

b

Explanation:any non-zero number 5,    = 1



Zero divide by any non-zero whole number is
a) 0    
b) 1        
c) 2    
d) 3

a

Explanation:  = 0



Any number divide by zero is equal to............
a) 0    
b) 1    
c) 2    
d) undefined

d

Explanation:any number 5,    = undefined