The main scale of a vernier callipers reads in millimeter and its vernier is divided into ten divisions, which coincide with seven divisions of main scale. Further when a cylinder is tightly placed along its length between two jaws, it is observed that the zero of vernier scale just right to 32 division of main scale and fourth division of vernier scale coincides with the main scale. Then the measured value is `0.83Kcm`. Find the value of `K`.
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