Question

Select the correct alternative from the given ones that will complete the series.
$10,12,32,34,54,56$

• A. $74$
• B. $72$
• C. $76$
• D. $78$

Answer 1

The correct option is C $76$

$10\stackrel{+2}{\to }12\stackrel{+20}{\to }32\stackrel{+2}{\to }34\stackrel{+20}{\to }54\stackrel{+2}{\to }56\stackrel{+20}{\to }76$