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  • Mixed Maths Test Part - 2
  • Which of the following is the least number that is exactl...
Multiple choice

Which of the following is the least number that is exactly divisible by numbers 45, 21 and 63, when incremented by 3?

  1. 312

  2. 313

  3. 310

  4. 90

  5. 63

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

L.C.M of 45, 21 and 63 = 3 x 5 x 7 x 3 = 315 Therefore, the number required will be 315 - 3 = 312

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