Question

$10,13,26,37,51,77,106,133$.

• A. $133$
• B. $51$
• C. $26$
• D. $13$

Answer 1

The correct option is B $51$

The pattern is as follows.
$\Rightarrow 10+16=26$
$\Rightarrow 13+24=37$(Adding $16+8=24$)
$\Rightarrow 26+32=58$(Adding $24+8=32$)
$\Rightarrow 37+40=77$(Adding $32+8=40$)
$\Rightarrow 58+48=106$(Adding $40+8=48$)
$\Rightarrow 77+56=133$(Adding $48+8=56$).