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Microprocessors

Q1:

Read the following statements about sets
  1. If A and B are sets then A + B denotes union of sets A and B.
  2. The union of A and B is that set whose elements are in either A or B or both.
  3. If A and B are sets, then difference of sets A and B is denoted by A - B.
  4. A - B in the set obtained by removing elements of A from B.
Which of the above are true?

A All

B 1, 2 and 3 only

C 2 and 3 only

D 1 and 4 only

ANS:A - All

All are correct.



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