Ratio and proportion
215:474::537:?
Choose the correct choice from the following.
A) 26  B) 27  C) 25  D) 22  E) 23
2+1+5+4+7+4= 
<gadget id="calculator">2+1+5+4+7+4</gadget>
<output>23</output>
23   5+3+7+x=23   =&gt; x=8   combination that match 8 is 26 since  2+6= 
<gadget id="calculator"> 2+6</gadget>
<output>8</output>
8   26NSWER:26
<result>A</result>
Ratio and proportion
215:474::537:?