Q: A completes $$ {7\over 10}$$ of work in 15 days, then he completes – McqOptions

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1.	Q: A completes $$ {7\over 10}$$ of work in 15 days, then he completes the remaining work with the help of B in 4 days. The time required for A and B together to complete the entire work is
A.	$$ {10} {2\over 3}\ days$$
B.	$$ {12} {2\over 3}\ days $$
C.	$$ {13} {1\over 3}\ days $$
D.	$$ {8} {1\over 4}\ days $$
Answer» D. $$ {8} {1\over 4}\ days $$

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