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Question
Height of a place A is 1800 m above sea level. Another place B is 700 m below sea level. What is the difference between the levels of these two places?
Solution
As per the given information, we can draw the diagram,
Let O be the point of level of sea.
Difference between these two points, A and B = Height between sea level and point A + Height between point B and sea level = AO + OB = 1800 + 700 = 2500 m
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