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