A ball of correct diameter 3.761 cm is placed between the jaws of a screw gauge but it gives the diameter reading of 3.754 cm. When diameter of another ball is measured by the same screw gauge, its reading comes out to be 7.000 cm, correct diameter of the second ball is : (1) 7.007 cm (2) 6.993 cm (3) 7.000 cm (4) 7.754 cm

Karthik Nayak , 3 Years ago

Grade 12