A is twice as efficient as B. Together they can finish a work in 18 days. A alone can finish it in:
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Correct answer: (A) 27 days
Correct answer: (A) 27 days
This is question 54 of DSSSB TGT Computer Science Full Mock Test 4. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.