1.

Match the column I with column II ltBrgt

Answer»

A-s,B-r,C-q,D-p
A-p,B-q,C-r,D-s
A-q,B-p,C-s,D-r
A-r,B-s,C-p,D-q

Solution :LIFE time of an excited state of an ATOM `:10^(-8)s`
Average HUMAN life-span `:10^(9)s`
AGE of Egyptian pyramids `:10^(11)s`
Age of the UNIVERSE `:10^(17)s`


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