Question
Who lives immediate below
Q? Study the following information carefully and answer the question given below: There are eight people P, Q, R, S, T, U, V and W are living in a 8 floor Building on different floors from top to bottom (such as ground floor is numbered as 1 and top floor is numbered as 8) but not necessarily in the same order. No two persons according to alphabetical order live adjacent to each other (P does not live just above or below Q, Q does not live just above or below P and R, and so on). S live either 2nd or 7th floor. Only two persons live between R and U. T lives immediately below R. V live above U but not at the topmost floor. Only one person sit between Q and U. R live on 6th floorSolution
R live on 6th floor. T lives immediately below R. Only two persons live between R and U. V live above U but not at the topmost floor. 
W cannot sit on topmost floor because no two persons according to alphabetical order live adjacent to each other 
What should come in place of (?) question mark in the given number series.
81, 73, 66, 60, 55, ?
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
156, 182, 210, 240, 272, ?
31    32      35      ?      47       56
...What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
What value should come in the place of (?) in the following number series?
71, 72, 76, 103, ?, 244254, ?, 1022, 1150, 1214, 1246
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