Question
Six students – PN, QN, RN, SN, TN, and UN, are sitting
around a circular table, facing the centre of the table. PN is second to the right of SN. QN is sitting to the immediate left of TN. PN is sitting between RN and UN. SN is sitting to the immediate left of RN. Who is sitting between PN and SN?Solution
 PN is second to the right of SN and PN is sitting between RN and UN.  SN is to the immediate left of RN.  QN is sitting to the immediate left of TN. Final arrangement is shown as below: -Constable/1727331914-120.JPG)
Clearly, RN is sitting between PN and SN. Hence, correct answer is (B).
8      24       48      144      ?     864
...16, 54, 128, ‘?’, 432,686
25, 200, 40, ?, 64, 512
2120 1976 2097 1997 ? 2014
...32Â Â Â 96Â Â Â Â 240Â Â Â Â 480Â Â Â Â Â 720Â Â Â ?
10 59 ? 1169 3503 7001
...5Â Â Â Â Â Â Â Â Â 18Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 44Â Â Â Â Â Â Â Â Â Â Â 83Â Â Â Â Â Â Â Â Â 135Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 200Â Â Â Â ...
Select the number from among the given options that can replace the question mark (?) in the following series.
8, 27, 64, 125, 216, ?
75    196    52    221    ?    250
28 34 63 ? 769 3847
...
Relevant for Exams:
