Arif can do a particular work in 1 hour while Asif can do the same work in 1.5 hours . On a particular day, they work together for half an hour, after which Arif left and Asif had to finish the rest of the work alone. How much time in minutes will Asif require to finish the rest of the work ?
A. 15
B. 16
C. 17
D. 18
E. None of these
সঠিক উত্তরঃ
A.
15
Explanation:
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