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  • Aptitude on Verbal and Numerical Ability Online Quiz
  • Find the least number exactly divisible by 12, 15,20,27
Multiple choice

Find the least number exactly divisible by 12, 15,20,27

  1. 520

  2. 530

  3. 540

  4. 510

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The least number divisible by 12, 15, 20, and 27 is their Least Common Multiple (LCM). The prime factorizations are 12=2^2*3, 15=3*5, 20=2^2*5, and 27=3^3; the LCM is 2^2*3^3*5 = 4*27*5 = 540.

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