InterviewSolution
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1). 20 days2). 18 days3). 22 days4). 24 days |
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Answer» A is 4 times as productive as C and B is half as productive as A; ∴ Ratio of efficiencies of A, B and C = 4 : 2 : 1 Since B left 15 DAYS and THUS the work got delayed by 2 days; Suppose the work would have completed in ‘X’ days, if B had not left; ∴ (4 + 2 + 1) × 15 + (4 + 1) × (x – 15 + 2) = (4 + 2 + 1) × x ⇒ 105 + 5X – 65 = 7x ⇒ 2x = 40 ⇒ x = 20 ∴ The work got COMPETED in 22 days (= 20 + 2) |
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