P, Q, R, S & T are sitting in a straight line facing North. P sits next to S but not to T. Q is sitting next to R who sits on the entrance left corner. Who sits to the left of S if T does not sit next to Q?
The numerator of a fraction is multiple of two numbers. One of the numbers is greater than the other by 2. The greater number is smaller than the denominator by 4. If the denominator 7+C (C > -7) is a constant, then the minimum value of the fraction is