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In statement '100 LET N1 = LEN(AINR )' of BASIC language, built-in function is

  • A.LEN
  • B.LET
  • C.whole statement
  • D.numerical values

Answer: A

Correct answer: LEN

LEN is supplied by the language itself and returns the number of characters in a string, so it is a built-in function. LET is a keyword, not a function, and N1 is the variable receiving the result.

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