Sonia and Saniya can complete a task in 30 days when working together, after Soniya and Saniya have been working together for 11 days, Saniya is called away and Soniya, all and himself completes the task in the next 28 days. Had Soniya been working alone, The number of days taken by him to complete the task would have been :
A. 33 3/19
B. 19 6/25
C. 44 4/19
D. None of these
C. 44 4/19 Days
Work done in 11 days =11/30
Rest work = 19/30
1 day’s work of Soniya =19/30/28= 19/30*28=19/840
Total number of days required to complete the whole work alone= 1/19/840
=840/19=44 4/19 days
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