Question

The first two set of numbers are related to each other in some way. The third and the fourth sets of numbers also follow the same relationship. Find out the correct answer among the alternatives given below.

$211:333::356:?$

• A. $358$
• B. $359$
• C. $423$
• D. $388$

Answer 1

The correct option is D $388$

$\begin{array}{cc}211\Rightarrow & 2+1+1=4\\ 333\Rightarrow & 3+3+3=9\end{array}\}$ $5$ is added in each step.
Similarly,

$\begin{array}{cc}356\Rightarrow & 3+5+6=14\\ 388\Rightarrow & 3+8+8=19\end{array}\}$

Hence, option D.