Number Series Ques 226

Question-

What will come in place of the question mark (?)

$123 \quad 140 \quad 106 \quad 157 \quad 89 \quad$ ?

(1) 214

(2) 139

(3) 198

(4) 169

(5) 174

Show Answer

Correct Answer: (5)

Solution: (5)

The pattern is:

$123+1 \times 17=123+17=140$

$140-2 \times 17=140-34=106$

$106+3 \times 17=106+51=157$

$157-4 \times 17=157-68=89$

$89+5 \times 17=89+85=174$