The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________________?
(A) 20 kg, – ve sense
(B) 20 kg, + ve sense
(C) 10 kg, + ve sense
(D) 10 kg, – ve sense
(E) 45 kg, + ve sense
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