Question

In each of the following questions, select the related Letter/Number from the given alternatives.
DE $:$ $10$ $:$ $:$ HI $:$ $?$

• A. $17$
• B. $20$
• C. $36$
• D. $46$

Answer 1

Answer: (C)

$36$

$DE=\frac{4\times 5}{2}=10$ (4th and 5th are positions of alphabets.)

Similarly,

$HI=\frac{8\times 9}{2}=36$