26.Which of the following is the appropriate definition of a computer?

27.Which of the following are correct ways of arguing? : (i) There can be no second husband with out a second wife, (ii) Anil is a friend of Bob, Bob is a friend of Raj, hence Anil is a friend of Raj, (iii) A is equal to B, B is equal to C, hence A is equal to C, (iv) If everyone is a liar, then we cannot prove it. Choose the correct answer from the code given below

28.If A stands for 5, B for 6, C for 7, D for 8 and so on, then the following numbers stand for 17, 19, 20, 9 and 8

29.Research can be conducted by a person who

30.The urbanization process accounts for the wind in the urban centres during nights to remain