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 :
$11 \times 1-1=10$
$10 \times 2-2=18$
$18 \times 3-3=51$
$51 \times 4-4=200$
$200 \times 5-5=995$