16.
Nautical mile is a unit of distance used in
A. navigation
B. road mile
C. astronomy
D. measuring the boundaries of a nation
Answer & Explanation
Answer: Option A
Explanation:
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17.
Knot is a unit of speed of which of the following?
A. Aeroplane
B. Light waves
C. Ship
D. Sound waves
Answer & Explanation
Answer: Option C
Explanation:
No answer description available for this question