If 26th January 2009 was a Monday, what day of the week was 26th January 2010? MCQ with Answer and Explanation

If the first and second letters in the word 'COMMUNICATION' are interchanged, also the third and fourth letters, the fifth and sixth letters and so on, which letter would be the 10th letter counting from your right?

Statements: No A is B. All B are C. Conclusions: I. Some C are not A. II. No A is C.

In a certain code, '256' means 'you are good', '637' means 'we are bad', '358' means 'good and bad'. Which of the following represents 'and'?