Identify the term that will replace the ?
$1, 5, 14, 30, 55, 91, ?$

130

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140

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150

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160

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Solution

The correct option is B $140$
The pattern is $+ 4 + 9$ , $+ 16, + 25$ , $+ 36$ , .. i.e. $+ 2^{2}$ , $+ 3^{2}$ , $+ 4^{2}$ , $+ 5^{2}$ , $+ 6^{2}$ , ........
So, missing term $= 91 + 7^{2} = 91 + 49 = 140$
Hence,option B is the correct answer.

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\begin{matrix} H e i g h t (i n c m) & 100 - 110 & 110 - 120 & 120 - 130 & 130 - 140 & 140 - 150 & 150 - 160 & 160 - 170 & 170 - 180 N o . o f g o a l s s c o r e d & 8 & 10 & 15 & 9 & 12 & 14 & 13 & 10 \end{matrix}

325, 259, 204, 160, 127, 105, ?

154

Classes	$120 - 130$	$130 - 140$	$140 - 150$	$150 - 160$	$160 - 170$	$170 - 180$
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