What number should replace the question mark?

What number should replace the question mark?

7 [each number at the lower of sector is equal to sum of the 3 numbers in its opposite divided by 2; hence, (1+9+4)/2 = 7].

What are these two numbers?

Two numbers are such that if the first gets 100 from the second they will be in the ratio 9 to 1, but if the second receives 36 from the first, their ratio will be 1 to 2. What are these two numbers?  

116 and 124

What grid should come next?

What grid should come next?

(A)

(B)

(C)

(D)

C: