एक लंबवत स्टैक पहेली व्यवस्था में, बक्सा D शीर्ष के करीब है। लाल रंग का बक्सा नारंगी रंग वाले बक्से से तीन स्थान ऊपर स्थित है। नारंगी रंग वाले बक्से से ठीक तीन बक्से ऊपर कौन सा बक्सा रखा गया है?

Seven boxes, D, E, F, G, H, I and J are kept one over the other but not necessarily in the same order. D is kept fifth from the bottom. Only two boxes are kept between D and H. I is kept somewhere above D but below E. Only two boxes are placed between G and F. F is not placed at the bottom. Which box is kept third from the bottom?

Seven boxes P, Q, R, S, T, U and V are kept one over the other but not necessarily in the same order. No box is kept above U. Only three boxes are kept between U and P. Only one box is kept between R and T. T is kept immediately above P. Only four boxes are kept between R and V. Q is kept at some place above S. How many boxes are kept between S and U?