If h and h1 are the heights of a light house and the observer in a ship in metres above M S L then the horizontal distance from the ship to the light house in kilometres is
Options
A. 3.86 (h + h1)
B. 3.86 (h - h1)
C. 3.86 (h x h1)
D. 3.86 ? (h + h1)
Correct Answer
3.86 (h + h1)
More questions
1. An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. seive No. 9, more than