CBSE 2025 · Region 4 · Set 3 · Q24 · 2 marks
Renu and Simran were born in the year $\displaystyle 2000$ which is a leap year. Find the probability that :(i)both have same birthday.(ii)both have different birthdays.
Renu and Simran were born in the year $\displaystyle 2000$ which is a leap year. Find the probability that :
(i)
both have same birthday.
(ii)
both have different birthdays.
Marking-scheme solution
Number of days in a leap year = $\displaystyle 366$
(i) \(\displaystyle \mathrm{P}\) (both have same birthday) \(\displaystyle =\frac{1}{366}\)
(ii) P (both have different birthdays) \(\displaystyle =\frac{365}{366}\)
ProbabilityTheoretical ProbabilityApplyvery_short_answermedium
More from Probability
- The number of red balls in a bag is 10 more than the number of black balls. If the probability of drawing a…2025 · asked 3×
- Rahul is a lucky charm for his cricket team. He has a jar of cards with numbers from 10 to 74. Before each…2025 · asked 3×
- The probability of guessing the correct answer of a certain test question is x/12. If the probability of not…2025 · asked 3×
- Two coins are tossed simultaneously. The probability of getting atleast one head is2025 · asked 3×
- Assertion: The probability of selecting a number at random from the numbers 1 to 20 is 1. Reason (R): For any…2025 · asked 3×
- In an experiment of throwing a die, Assertion: Event E 1: getting a number less than 3 and Event E 2: getting…2025 · asked 3×
- A card is selected at random from a deck of 52 playing cards. The probability of it being a red face card is:2025 · asked 2×
- A die is thrown once. The probability of getting a number which is not a factor of 36, is:2025 · asked 2×
CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.