In the following question, select the odd number pair from the given alternatives.
The pattern followed is = $$n(n+1)$$
(A) : $$9\times(9+1)=90$$
(B) :Â $$6\times(6+1)=42$$
(C) :Â $$5\times(5+1)=30$$
(D) :Â $$4\times(4+1)=20\neq36$$
=> Ans - (D)
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