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The four natural numbers x 2x 3x & 4x are such that their mean is 90. Then the numbers are:- a) 2 4 6 8 b)9 18 27 36 c) 5 10 15 20 d) 36 72 108 144

Answer» The four natural numbers x 2x 3x & 4x are such that their mean is 90. Then the numbers are:-
a) 2 4 6 8
b)9 18 27 36
c) 5 10 15 20
d) 36 72 108 144


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