Question

A balance has pans of unequal weight but arms are of equal length. The weight of body in one pan is measured as 8 kg and when pans are interchanged the weight of body measured is 18 kg. The true weight of body is -

• A. 13 kg
• B. 12 kg
• C. 10 kg
• D. Data insufficient

Answer 1

Answer: (A)

13 kg

Answer 2

$\frac { 8 + 18 } { 2 }$ = $\frac { 26 } { 2 }$ = 13 kg