Question

Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.

Solution:

Answer 1

If O is the centre of the larger circle, what is the probability that point chosen at random within the circumference of the larger circle, lies outside the smaller circle!?

Options: 0.33 , 0.5 , 0.67 and 0.75

Please explain this to me fully!

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