1.

If a,b,c,d,e,f are sequentially the terms of an A.P. belong to set {1, 2 , 3, ……, 9} where all the terms a,b,c,… are in increasing order, then the last digit of a^b xx c^d xx e^f is :

Answer»

5
2
7
either of (a) and (B)

ANSWER :D


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