Question

If $+42$ represents $42m$ above the water surface, then what does $+98-115$ represent:

• A. 17 m above the water surface
• B. 27 m below the water surface
• C. 17 m below the water surface
• D. 27 m above the water surface

Answer 1

Answer: (C)

17 m below the water surface

Given:
$+42$ represents $42m$ above the water surface.
Now,
$+98-115=-17$
$\Rightarrow$ $-17$ represents $17m$ below the water surface.