Question
How many floors are in between L and R?
Study the following information carefully to answer the given question: Certain numbers of person are living on different floor of same building. P lives on floor number five. Three person lives between P and G. G lives above P. Not more than thirteen floors are there in a building. More than five persons lives between P and L and L does not live on the top floor. X lives immediate above L. Four person lives between R and X. Three persons lives between R and Z. As many persons live below Z is same as lives above M. Two persons live between Z and Y who does not live immediate above or below of R.Solution
P lives on floor number five. Three person lives between P and G. G live above P. Not more than thirteen floors are there in g building. More than five persons lives between P and L and L does not live on the top floor. X lives immediate above L.
Four person lives between R and X. Three persons lives between R and Z. As many as persons lives below Z is same as lives above M. Two persons lives between Z and Y, who does not live immediate above or below of R. 
2807, 1400, 697, 346, 171, 84, 41, ?
What will come in place of the question mark (?) in the following series?
68, 76, 61, 85, ?, 98
56, 27, 14.5, 6.25, ?, 1.0625
42, 48, 60, 84, 132, ?
5 6 14 45 ? 925
...47, 72, 122, ?, 297, 422
25 54 ? 228 460 924
...4 9 28 99 ? 2105 12660
...64, 32, 48, 120, 420, ?
Find the missing character.