My Mth405 current paper

Allmost mcqs was true false statements. Very easy paper.
Obj… product of two even or two odd permutations is always an even permutation.(true/false).
It is an____ group if x*y=y*x when x,y€ G.(associative,abelian)
It is called ____ property if a*b=b*a.( associative, commutative,multiplicative,)
Find order of (1,2,3,4,5,6).
2 3 mcqs was to find lenght of the permutations.
Sub.. find inverse of B permutation.
Two permutations was given and we have to find their product.
Find order of each element in the group G={ 1,-1,i,-i }.
Explain index of subgroup H of a group G with example.

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