Question

Complete the alphanumeric series.

$A3B,C7D,E11F,G15H,.....$

• A. $I20J$
• B. $I19K$
• C. $J19K$
• D. $I19J$

Answer 1

Answer: (D)

$I19J$

We will consider this as 3 series.

First series is of 1st letter

$1,3,5,7,9$

$9\to I$

Second series consist of numbers with increasing order of $+4$

$15+4=19$

Third series consist of last letter

$2,4,6,8,10$

$10\to J$

Thus, $I19J$ is correct.