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Question

In the following question, select the related number from the given alternatives.
64 : 100 : : 49 : ?

A
36
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B
63
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C
81
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D
144
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Solution

The correct option is B 81
In this type of question we have to find the Relation In First one and after that this relation will be applied to Next one.
we have to find the Relation in 64:100
and the same Relation will be applied to 49:?
(i) 64:100
Relation is
[(64)+2]2=(100)
Applying same relation to 49:?
[(49)+2]2=(81)
So the Answer is 49:81

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