Question

An object is weighed on a balance made by metre scale, respective pans were 2 g and 2.5 g, body appear to weigh 10.6 g when kept at the one pan but 9.30 g when kept at the other. What is the actual mass?

• A. 24.40 g
• B. 6.10 g
• C. 9.95 g
• D. 10.60 g

Answer 1

Answer: (C)

9.95 g

Answer 2

Actual mass = $\frac { 9.30 + 10.60 } { 2 }$ = $\frac { 19.90 } { 2 }$ = 9.95 g