A Vernier caliper with no zero error is used to measure the diameter of a cylinder. It is found that the zero of the Vernier scale lies between 6.10 and 6.15 cm of the main scale. The Vernier scale has 50 divisions equivalent to 2.35 cm. The 24^th division of the Vernier scale exactly coincides with one of the main scale divisions. The diameter of the cylinder is