1.

Ganga and Saraswati, working separately can mow field in 8 and 12 hours respectively. If they work in stretches of one hour alternately. Ganga is beginning at 9 a.m., when will the moving be completed?

A. 6:20 PM
B. 6:30 PM
C. 6:36 PM
D. 6:42 PM
Answer» D. 6:42 PM


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