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  • Number Theory (SAT)
  • Integer k is a multiple of 15 and 10. What would be the l...
Multiple choice

Integer k is a multiple of 15 and 10. What would be the least value of k?

  1. 15

  2. 20

  3. 30

  4. 60

  5. 90

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

Choice (3) i.e 30 is divisible by both 15 and 10 and is least positive integer. 15 is not divisible by 10 and 20 is not divisible by 15. Other choices are more than 30 hence can be eliminated

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