GATE ECE 2014 Set 1 | GA | Question: 5

Question

What is the next number in the series?

$12$           $35$            $81$            $173$            $357$            ________,

Answer 1

one way is this to getting answer as $725$ bcz their diffrence is each time double

and other way is $12\times 2+11=35$

 $35\times 2+11=81$

 $81\times 2+11=173$

 so mul by $2$ and add $11$ and lastly we do $357\times 2+11= 725$

Comments

Yes Ans is 725 but with double of the previous number 11 is added each time in it. :)

Answer 2

answer :-725 

Comments

@ Prateek kumar last one should be 368 instead of 364.

Answer 3

answer is 725 as 368+357=725