Seven boxes, G, H, I, L, M, N and O, are kept one over the other, but not necessarily in the same order. No box is kept below L. Only four boxes are kept between M and L. H is kept above M. Only two boxes are kept between O and N. I is kept immediately above G. N is not kept immediately above I. Which box is kept fourth from the bottom?
I
No box is kept below L, so L is at the bottom (position1). Only four boxes are kept between M and L, placing M at position6.
H is kept above M, so H is at position7 (the top).
Only two boxes are kept between O and N: within the remaining positions 2-5, this requires O and N at positions 2 and5 (in some order).
I is kept immediately above G: with remaining positions3,4 for G,I, this gives G(3), I(4).
N is not kept immediately above I(4), so N cannot be at position5 (since position5 is immediately above position4); hence N=2, O=5.
Full order (bottom to top): L(1), N(2), G(3), I(4), O(5), M(6), H(7).
Fourth from the bottom: position4, which is I.
Hence, box I is kept fourth from the bottom.
Similar Questions
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Important Questions from Box Puzzle
J, K L, M, N and O are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, NOT necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday, NOT necessarily in the same order. J teaches Arts on Saturday. L teaches neither English nor Social Science, but he teaches on Thursday. Wednesday is reserved for Maths taught by K. O teaches Science a day before N. Social Science is taught a day before Arts.
Which subject is taught on the day between Thursday and Saturday?
- Five chairs C1, C2, C3, C4 and C5 are placed one above the other. If C1 is above C2, C3 is above C4 but below C5 and C4 is above C1, which chair is in the middle ?
J, K, L, M, N and O are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, not necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday, not necessarily in the same order. J teaches Arts on Saturday. L teaches neither English nor Social Science, but he teaches on Thursday. Wednesday is reserved for Maths taught by K. O teaches Science a day before N. Social Science is taught a day before Arts. Which subject is taught by L?
J, K L, M, N and are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, not necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday not necessarily in the same order. J teaches Science on Wednesday. O teaches Math second after J. K teaches on the first day of the week, but teaches neither Hindi nor English. M teaches English before N and L teaches Arts before J. Which subject is taught on Saturday?
Which box is the first from the left?
A. Red
B. White
C. Blue
D. Green
