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  • Number Properties - Test 1
  • x is divisible by 15, 21 and 36. If x is an integer, what...
Multiple choice

x is divisible by 15, 21 and 36. If x is an integer, what is the smallest possible value of x?

  1. 120

  2. 210

  3. 420

  4. 1260

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

15 = 3*5, 21 = 3*7, 36 = 3*12 So the smallest common multiple of 15, 21 and 36 would be 3*5*7*12 = 1260. D is right.

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