Q32. Riya and Kajal are friends. Probability that both will have the same birthday isthe same birthday is:

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Q32. Riya and Kajal are friends. Probability that both will have the same birthday isthe same birthday is:

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(A) 364/365
(B) 31/365
(C) 1/365
(D) 1/133225

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Class 10 Maths swatiqna 3 years 2021-12-28T13:54:48+00:00 2021-12-28T13:54:48+00:00 1 Answer 32 views Enlightened 0

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swatiqna Enlightened · Answer 1 · 2021-12-28T13:56:59+00:00

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2021-12-28T13:56:59+00:00 December 28, 2021 at 1:56 pm

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Answer: (C)
Explanation:
Riya may have any one of 365 days
of the year as her birthday.
Similarly Kajal may have any one
of 365days as her birthday.
Total number of ways in which
Riya and Kajal may have their
birthday are:
365 × 365
Then Riya and Kajal may have
same birthday on any one of 365
days.Therefore number of ways in which
Riya and Kajal may have same
birthday are:
= 365/365 X 365
= 1/365

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Q32. Riya and Kajal are friends. Probability that both will have the same birthday isthe same birthday is: