If 10 farmers can reap a field in 8 days, then 8 farmers will reap the same field in :  Choose the correct choice from the following:
A) 5 days
B) 10 days
C) 4 days
D) 20 days
E) None of these
Explanation :   8 : 10 :: 8 : x   or 8x = 10 * 8   or x = 10.   Required number of days 10.   Answer : 10 days
<result>B</result>
If 10 farmers can reap a field in 8 days, then 8 farmers will reap the same field in :