Question
Who among the following person sits second to the left
of the one whofacing O? Read the given information carefully answer the questions given below. Twelve people are sitting in two parallel rows facing each other. In Row I: A, B, C, D, E and F are facing North, while In Row II: M, N, O, P, Q and R are facing South, but not necessarily to be in the same order. E sits second to the left of C, who is an immediate neighbour of F. A faces O, who sits immediate right of R. R neither faces C nor faces E. F is not an immediate neighbour of E. N sits second to the right of M, who does not face F. P neither faces D nor faces F. Not more than one people sit between Q and O.Solution
E sits second to the left of C, who is an immediate neighbour of F. F is not an immediate neighbour of E. R neither faces C nor faces E. A faces O, who sits immediate right of R. 
N sits second to the right of M, who does not face F. P neither faces D nor faces F. Not more than one people sit between Q and O. Case-1 
13, 14, 23, 48, 97, 178, ?
What value should come in the place of (?) in the following number series?
1.5, 2.5, 4, 6, ?, 11.5
123, 122, 114, 87, ?, -102
62, 87, 137, ?, 312, 437
What will come in place of the question mark (?) in the following number series?
17, 28, 48, ?, 123, 182
8, 24, 48, 80, ?, 168
Find the missing number, in the given number series.
6, 12, 36, ?, 720, 4320
- What will come in place of (?) in the given number series.
7, 14, 28, 56, ?, 224 ?, 32, 75, 144, 245, 384
257, 399, 566, ?, 983, 1237
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