Question

Complete the series given below by choosing the missing term from the given alternatives.

$5,9,16,29,54,?$

• A. $103$
• B. $105$
• C. $109$
• D. None of these

Answer 1

The correct option is A $103$

Multiply each number by '2' and then deduct 1, 2, 3, 4, .... to get the next consecutive number.
Like $(5\times 2-1)=9,(9\times 2-2)=16,(16\times 2-3)=29etc.$
Applying same logic,

$54\times 2=108-5=103$

option A