Find the sum of bond order between same bonded atoms in Q and R compounds.

Bond order of $[\mathrm{O}-\mathrm{O}]$ in ${\mathrm{H}}_2{\mathrm{O}}_2=1.0$
Bond order of $[\mathrm{O}-\mathrm{O}]$ in ${\mathrm{O}}_2=2.0$
So sum of bond order between same bonded atoms in Q and R compounds = 1 + 2.0 = 3.0.