[ General Knowledge ]

Minerals that promote strong bones

A. Calcium
B. Potassium
C. Iron
D. Magnesium

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Next quiz: Aptitude : Height and Distance

Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:
A. 173 m
B. 200 m
C. 273 m
D. 300 m


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