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Five numbers $10,7,5,4$ and $2$ are to be arranged in a sequence from left to right following the directions given below:

  1. No two odd or even numbers are next to each other.
  2. The second number from the left is exactly half of the left-most number.
  3. The middle number is exactly twice the right-most number.

Which is the second number from the right?

  1. $2$
  2. $4$
  3. $7$
  4. $10$
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