JEE Advanced 2021 Full Test 1 Paper 1
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PART – III
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.
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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In a ΔABC, the in circle touches the sides BC, CA and AB at D, E, F respectively. If radius of in circle is 4 units and BD, CE and AF are in A.P. with common difference 1, then area of ΔABC is
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