Question 172

81 64 16
4 9 49
36 16 25
108 96 ?

Solution

First column = $$\sqrt{81}\times\sqrt{4}\times\sqrt{36}$$

= $$9\times2\times6=108$$

Similarly, second column = $$\sqrt{64}\times\sqrt{9}\times\sqrt{16}$$

= $$8\times3\times4=96$$

$$\therefore$$ Third column = $$\sqrt{16}\times\sqrt{49}\times\sqrt{25}$$

= $$4\times7\times5=140$$

=> Ans - (B)

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