Constants MCQs Test Online PDF Book Download

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Learn php syntax and variables practice test MCQs: which mathematical constant notation is used for square root, for free online courses with options sqr ( ), sqrt (2), 1/sqrt ( ) for online bachelor's degree in computer science. Free skills assessment test is for e-learning online constants quiz questions for competitive assessment in computer science major.

MCQ on Constants Quiz Book Download

MCQ: Constants in PHP are not denoted by $ sign but they are differentiated by

  1. Lowercase letters
  2. Uppercase letters
  3. Asterisk sign <strong> * </strong>
  4. Hash sign <strong> # </strong>


MCQ: Which mathematical constant notation is used for square root?

  1. sqr ( )
  2. sqrt (2)
  3. 1/sqrt ( )
  4. None of them


MCQ: Mathematical constant M_PI defines a

  1. Pi
  2. log
  3. 1/pi
  4. sqrt