25) In a conventional lathe tool post is mounted directly on the

26) The list of numbers -10, -6, -2, 2,_____ is

27) A discount of 15% on one article is same as discount of 20% on a second article. What will be the costs of two articles?

28) Which of the following is an example of a comparator?

29) Which of the following welding is done in high vacuum chamber?