If 3 men or 4 women can reap a field in 43 days how long will 7 men and 5 women take to reap it?
Choose the most appropriate option:
A) 9 B) 12 C) 15 D) 18 E) 19
Explanation:   3 men reap 1/43 field in 1 day   1 man reap 1/(3 x 43)   4 women reap 1/43 field in 1 day   1 woman reap 1/(43 x 4)   7 men and 5 women reap (7/(3 x 43)+ 5/(4 x 43)) =1/12 in 1 day   7 men and 5 women will reap the field in 12 days   Answer: Option 12
<result>B</result>
If 3 men or 4 women can reap a field in 43 days how long will 7 men and 5 women take to reap it?