Number Series Ques 154

Question-

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

$\begin{array}{llllll}11 & 10 & 18 & 51 & 200 & \text { ? }\end{array}$

(1) 885

(2) 1025

(3) 865

(4) 995

(5) None of these

Show Answer

Correct Answer: (4)

Solution: (4)

The pattern of the number series is :

$11 \times 1-1=10$

$10 \times 2-2=18$

$18 \times 3-3=51$

$51 \times 4-4=200$

$200 \times 5-5=995$