[" A block of mass "10kg" is suspended through two light "],[" spring balances as shown in figure."],[" 1) Both the scales will read "10kg" ."],[" 2) Both the scales will read "5kg" ."],[" 3) The upper scale will read "10kg" and the lower zero."],[" 4) The readings may be anything but their sum will he "],[" 10kg.",int(d)/(f)]],[,," 3"],[]