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JEE Mains 2020 Model Paper 1 New Pattern

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Question : 3 of 75

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A boy 1.5m tall is standing t some distance a 30m tall building. The angle of elevation from his eyes to the top of the building increases from 30° to 60° as he walks towards the building. The distance he walked towards the building is

10√3
19√3
30
√3
30

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