In a line of 40 children, Sita is 15th from the beginning and Rita is 18th from the end. How many children are there between Sita and Rita?
Show answer & explanation
Correct answer: B
Explanation

Children between Sita and Rita = Total children – (Children up to Sita + Children from Rita to the end)
= 40 – (15 + 18)
= 40 – 33
= 7