Number Series Ques 152

Question-

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

$122,73,110,305, ?$

(2) 1178

(1) 1204

(3) 1243

(4) 1222

(5) 1300

Show Answer

Correct Answer: (1)

Solution: (1)

The pattern is :

$122 \times 1-7^{2}=122-49=73$

$73 \times 2-6^{2}=146-36=110$

$110 \times 3-5^{2}=330-25=305$

$305 \times 4-4^{2}=1220-16$ $=1204$