RBI Assistant 2017 · Question 129 of 200
Mixture and Alligation
From both the statements, Radius of the larger roller = 7x units Radius of the smaller roller = 3x units Area flattened by smaller roller in 63 rotations = 2 ∏ × 3x × 1 × 63 Therefore, 2 ∏ × 3x × 63 = 2 ∏ × 7x × 7 x = 27
Source: RBI Assistant 2017 Mains Previous Year Paper (ixamBee solved PDF) · memory-based
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