Q37 / 55 · NEST (NISER) 2012 · Mathematics

In the figure, PQRS is a square of side length 12 and XPQ is a traingle constructed on $Q R$ outwardly such that $X Q=X R$. If area of the figure $P Q X R S$ is 192 , then area of the figure (PRX) lies between

A
50 and 60.
B
60 and 70.
C
70 and 80.
Correct answer
D
80 and 90.

Hence, the correct answer is option: 'D'.

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