Question
Which among the following box is kept immediately
above box G? Study the following information carefully and answer the below questions. Nine boxes – A, B, C, D, E, F, G, H and I are placed in a shelf from top to bottom. Only two boxes are kept between D and G where G is placed above D. Only one person sits between E and D. Box F is three places above G. No box is placed above F. Only three boxes are placed between A and I, and A is not an immediate neighbor of D. H is placed immediately above E. Box C is kept at third position either from top or bottom.Solution
Only two boxes are kept between D and G where G is placed above D. Only one person sits between E and D. Here we get two cases, Case 1 and Case 2. Case-1 case-2
Box F is three places above G. No box is placed above F.
Only three boxes are placed between A and I, and A is not an immediate neighbor of D.
H is placed immediately above E. Box C is kept at third position either from top or bottom. Here Case 1 gets eliminated and the final arrangement is, 
18 45 90 235 450 1125 2250
...42, 85, 172, 343, 687, 1375
1, 4, 20, 126, 1026, 10170
79, 152, 231, 314, 405, 500
Find the wrong no in the given number series.
11, 18, 32, 60, 112, 228
Find the wrong number in the given number series.
21, 11, 12, 19, 41, 105
- Find the wrong number in the given number series.
154, 137, 114, 84, 46, 11 - Find the wrong number, in the given number series.
2, 5, 11, 23, 47, 97, 191 23, 36, 53, 69, 95, 124, 155
109 106 101 94 86 74
...