A, B, C, D, E और F एक वृत्ताकार मेज के चारों ओर केंद्र की ओर मुख करके बैठे हैं। C, E के बाईं ओर दूसरे स्थान पर बैठा है। A, D के दाईं ओर दूसरे स्थान पर बैठा है। F, A के ठीक दाईं ओर है। B के ठीक दाईं ओर कौन बैठा है?

Seven boxes, A, B, C, D, I, J, and K, are kept one over the other, but not necessarily in the same order. Only two boxes are kept between A and C. Only B is kept above K. No box is kept below C. J is kept at some place below D but at some place above I. Which box is kept third above I?

A, B, C, D, E, F, and G each delivered a lecture on a different day of the same week, starting from Monday and ending on Sunday. Only two people delivered a lecture before C. Only two people delivered a lecture between C and D. E delivered a lecture immediately after D. Only two people delivered a lecture between E and B. A delivered a lecture immediately before G. Who delivered a lecture on Friday?