Question

27. In a row of twenty-five children facing South R is sixteenth from the right end and B is eighteenth from the left end. How many children are there between R and B? a. 2 b. 3 c. 4 d. Data inadequate e. None of these

Answer 1

From left,
R is at tenth,B is at eighteenth

there are 7 children between R and B.
Hence your answer is option e. None of these