NEET 2020 Model Question Paper 1

In a vernier callipers, 10 divisions of vernier scale coincides with 9 divisions of main scale, the least count of which is 0.1 cm. If in the measurement of inner diameter of cylinder zero of vernier scale lies between 1.3 cm and 1.4 cm of main scale and 2nd division of vernier scale coincides with main scale division then diameter will be :