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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