Design and Analysis of Algorithms MCQs with answers Page - 1

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Q. Which of the following is also known as LCM?

  • (A) lowest common divisor
  • (B) least common multiple
  • (C) lowest common measure
  • (D) highest common multiple

A

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Q. What is the LCM of two coprime numbers?

  • (A) 1
  • (B) 0
  • (C) addition of two coprime numbers
  • (D) multiplication of two coprime numbers

A

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Q. In terms of Venn Diagram, which of the following expression gives LCM (Given A ꓵ B ≠ Ø)?

  • (A) multiplication of a u b terms
  • (B) multiplication of a ꓵ b terms
  • (C) multiplication of a*b terms
  • (D) multiplication of a-b terms

A

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Q. What is the LCM according to the given Venn Diagram?

  • (A) 2
  • (B) 3
  • (C) 180
  • (D) 6

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Q. What is the lcm (a, b)?

  • (A) a + b
  • (B) gcd (a-b, b) if a>b
  • (C) lcm (b, a)
  • (D) a – b

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Q. Is 9 and 28 coprime number.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

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Q. What is the following expression, lcm (a, lcm (b, c) equal to?

  • (A) lcm (a, b, c)
  • (B) a*b*c
  • (C) a + b + c
  • (D) lcm (lcm (a, b), c)

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Q. Is lcm an associative function.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

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Q. What is the following expression, lcm (a, gcd (a, b)) equal to?

  • (A) a
  • (B) b
  • (C) a*b
  • (D) a + b

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Q. Which algorithm is the most efficient numerical algorithm to obtain lcm?

  • (A) euler’s algorithm
  • (B) euclid’s algorithm
  • (C) chebyshev function
  • (D) partial division algorithm

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