Seven boys Ajay, Mihir, Rohit, Karan, Vaibhav, Nitin and Sanjay are sitting on a straight bench facing towards the north. Karan is sitting at the extreme left end and second to the left of Rohit. Mihir is the immediate neighbour of Rohit and Vaibhav. Nitin is sitting to the immediate left of Sanjay. Who is sitting second to t he left of Mih ir?

Seven persons, A, B, C, D, E, F, and G, are sitting in a row facing north. Only six persons sit to the left of D. Exactly four persons sit between E and F. B sits third to the right of F. G sits to the immediate left of A. How many persons sit between C and A?

Seven persons M, N, O, P, X, Y, and Z are sitting in a row facing North. Only two persons sit to the right of N. Only two persons sit between N and Z. Only two persons sit between O and Y. Y sits to the immediate left of N. P sits to the immediate right of X. Who sits third from the left end of the row?