Question

Select the most appropriate option to identify the INCORRECT number in the series. $3,5,13,43,176,891,5353$

• A. $5$
• B. $13$
• C. $43$
• D. $176$

Answer 1

The correct option is D $176$

$3,5,13,43,176,891,5353$

$3\times 1+2=5$

$5\times 2+3=13$

$13\times 3+4=43$

$43\times 4+5=177$

$177\times 5+6=891$

$891\times 6+7=5353$

$\therefore$ Incorrect is 176

option D is correct.