पांच लड़के A, B, C, D और E पांच अलग-अलग स्कूलों S1, S2, S3, S4 और S5 में से किसी एक में पढ़ते हैं (जरूरी नहीं कि इसी क्रम में हों)। A, S2 में नहीं जाता है। C, S4 में जाता है। D, S2 या S3 में नहीं जाता है। E, S1 में जाता है। निम्नलिखित में से कौन सा/से कथन सही है/हैं? I. D, S5 में जाता है। II. B, S3 में जाता है।

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?