question_answer

In a column of 20 boys, D is fourteenth from the front and F is ninth from the bottom. How many boys are there between D and F?

A) 2            

B)                    3

C) 4        

D)                   Data inadequate

E) None of these

Correct Answer: E

Solution :

Explanation: [e]    \[x+13x+8x=20\] \[\Rightarrow \]\[x=1\]