*31. priya and ravish planned to participate in a cycle race to be organised for national integration. they decided
to practise on a circular path around a sports field. priya takes 18 minutes to complete one round, while rav-
ish takes 12 minutes for the same. suppose they both start at the same time and go in the same direction.
(a) after how many minutes will they meet again at the starting point?
(6) what is the value depicted by priya and ravish?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)