The probability that a non leap year selected at random will contain 53 Sundays is
(A) 1/7 (B) 2/7
(C) 3/7 (D) 5/7
Last updated at Aug. 20, 2021 by Teachoo
Transcript
Question 11 The probability that a non leap year selected at random will contain 53 Sundays is (A) 1/7 (B) 2/7 (C) 3/7 (D) 5/7 A non leap year has 365 days Dividing by 7 Number of weeks in non-leap year = 365/7 = ๐๐ ๐/๐ Thus, a non-leap year has 52 weeks, and 1 day extra That 1 extra day can be {Mon, Tues, Wed, Thur, Fri, Sat, Sun} Thus, Probability that a non leap year will contain 53 Sundays = (๐๐ข๐๐๐๐ ๐๐ ๐๐ข๐๐๐๐ฆ ๐๐ ๐ ๐ค๐๐๐)/(๐๐๐ก๐๐ ๐๐ข๐๐๐๐ ๐๐ ๐๐๐ฆ๐ ๐๐ ๐ ๐ค๐๐๐) = ๐/๐ So, the correct answer is (A)
NCERT Exemplar - MCQ
Question 2 Important
Question 3
Question 4
Question 5
Question 6 Important
Question 7
Question 8 Important
Question 9
Question 10
Question 11 Important You are here
Question 12
Question 13 Important
Question 14
Question 15 Important
Question 16
Question 17 Important
Question 18 Important
NCERT Exemplar - MCQ
About the Author