A) 4
B) 3
C) 5
D) 9
Correct Answer: A
Solution :
Work done by both\[=\frac{1}{8}+\frac{1}{10}=\frac{9}{40}\]in 1 day \[\therefore \]One work will be completed by them in\[\frac{40}{9},\] ie, \[4\frac{4}{9}\]days.You need to login to perform this action.
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