Number Series Ques 119

Question-

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

$9 \quad 10 \quad 22\quad 69\quad ?\quad 1405 \quad 8436$

(1) 280

(2) 320

(3) 340

(4) 360

(5) 270

Show Answer

Correct Answer: (1)

Solution: (1)

The pattern is :

$9 \times 1+1=9+1=10$

$10 \times 2+2=20+2=22$

$22 \times 3+3=66+3=69$

$69 \times 4+4=276+4=280$

$280 \times 5+5=1400+5=1405$

$1405 \times 6+6=8430+6=8436$