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NDA Math Probability Part 2
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© examsnet.com
Question : 33
Total: 59
What is the probability that February of a leap year selected at random, will have five Sundays?
[NDA-I 2020]
1
5
1
7
2
7
1
Validate
Solution:
👈: Video Solution
Number of days in February, when year is a leap year
=
29
days
=
4
weeks +1 odd day
4 weeks have 4 sundays.
Probability that 1 odd day is sunday
=
1
7
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