Ten boys are standing in a row facing the same direction. Abhijit, who is $7^{th}$ from the left end of the row, is to the immediate right of Sushant, who is $5^{th}$ from the right end of the row; Sushant is $3^{rd}$ to the right of Rupin. How many children are there between Abhijit and Rupin ?
Answer.A
*abhijit is 7th from end
*sushant is immediate 5th to right to abhijita and 3rd to Rupin.