A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is number 2 and so on till the topmost floor is numbered 6. Only two people live above D. Only two persons live between D and E. C lives just above F but not on the topmost floor. C lives on an odd-numbered floor. How many people live between C and E?

Seven boxes A, C, G, H, J, N, and R are kept one over the other but not necessarily in the same order. Only three boxes are kept above N. Only one box is kept between H and N. Only three boxes are kept between H and A. A is kept at some place above N. R is kept immediately below A. C is kept at one of the places above G. J is not kept immediately above or below H. How many boxes are kept above H?

Seven boxes, G, H, I, J, O, K, and L, are kept one over the other, but not necessarily in the same order. Only I is kept above O. Only G is kept between O and K. Only J is kept below L. How many boxes are kept between H and J?