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JEE Mains 2020 Model Paper 4 New Pattern

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Question : 56

Total: 75

The lower window of a house is at a height of 2m above the ground and its upper window is 4m vertically above the lower window. At certain instant the angles of elevation of a balloon from these windows are observed to be 60° and 30° respectively. Then the height of the balloon above the ground is

12m
14m
8m
16m

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