Question

you find your weight to be 42 kg on a weighing machine . Is your mass more or less than 42 kg

Answer 1

42kg is your mass
In common language we use weight on the place of mass. But weight is Mass x g{acceleration dur to gravity}

Answer 2

it will less than 42 kg because w=mg where g=10 (approx)then m=42/10(approx)
real value of g=9.8