For the following questions answer them individually
Read the following information carefully and answer the question given below.
During an event, a game is being played. For the game, 9 people from to Z (mix of boys and girls) have to stand in a vertical row. Boys are wearing black t-shirts and girls are wearing white t-shirts. The row starts at top and with a white t-shirt. Boys and girls stand alternately in the row. Each position in the row can be occupied by one person only.
i) R stands seven places before S.
iii) Second boy after T is U.
iv) Fourth place in the row is occupied by V.
v) W stands ahead of R.
vi) X stands between T and R.
vii) Z is a girl.
Who among the following stands between T and Z?
Simplify: $$Â \frac{(375 \times 375)+(125 \times 125 ) - (375 \times 125)}{(375 \times 375 \times 375 )+ (125\times 125 \times 125)} $$