JEE Advanced 2020 Concept Recapitulation Test 3 Paper 2

The pitch of a screw gauge is 0.5mm and there are 100 division on its circular scale. When there is nothing between jaws, the instrument reads +5 division. In measuring the diameter of a wire, there are 6 division on main scale and 74‌th ‌ division coincide with main scale, then the diameter of wire is