1.

A ladder 15 m long reaches a window which is 9 m above the ground on one side of street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 12 m high. What is the width of the street:

A. 31 m
B. 12 m
C. 30 m
D. 21 m
E. None of these
Answer» E. None of these


Discussion

No Comment Found