Question 38

Study the given pattern carefully and select the number that can replace the question mark(?) in it.

Solution

As the forgiven question, the pattern follows in row form

$$ 15\times 14 -14 = 196 $$

$$ 7\times 16 - 16 = 96 $$

next $$18 \times ? - ? = 255 $$

$$\Rightarrow 17 ? = 255 $$

$$\Rightarrow ? = \dfrac {255}{17}$$

$$\Rightarrow ? = 15 $$ Ans

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