JEE Advanced 2021 Full Test 5 Paper 1

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PART – III
Mathematics
SECTION – A (One Options Correct Type)
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.
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Question : 41 of 54
 
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In an equilateral triangle R:r:r1 is equal to
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