Mathematics · 2025
JEE Main · 23 January 2025, Shift 2 · Q7
A board has 16 squares as shown in the figure: Out of these 16 squares, two squares are chosen at random. The probability that they have no side in…
A board has $\displaystyle 16$ squares as shown in the figure :
Out of these $\displaystyle 16$ squares, two squares are chosen at random. The probability that they have no side in common is :
Out of these $\displaystyle 16$ squares, two squares are chosen at random. The probability that they have no side in common is :Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{4}{5}$
More from Probability
- Bag B_1 contains 6 white and 4 blue balls, Bag B_2 contains 4 white and 6 blue balls, and Bag B_3 contains 5 white and 5 blue balls. One of the bags…2025
- Bag A contains 9 white and 8 black balls, while bag B contains 6 white and 4 black balls. One ball is randomly picked up from the bag B and mixed up…2026
- A candidate has to go to the examination centre to appear in an examination. The candidate uses only one means of transportation for the entire…2026
- One die has two faces marked 1, two faces marked 2, one face marked 3 and one face marked 4. Another die has one face marked 1, two faces marked 2,…2025
- A card from a pack of 52 cards is lost. From the remaining 51 cards, n cards are drawn and are found to be spades. If the probability of the lost…2025
- Let the mean and variance of 7 observations 2, 4, 10, x, 12, 14, y, x>y, be 8 and 16 respectively. Two numbers are chosen from {1,2,3, x-4, y, 5} one…2026
- The probabilities that players A and B of a team are selected for the captaincy for a tournament are 0.6 and 0.4, respectively. If A is selected the…2026
- A bag contains 10 balls out of which k are red and ( 10-k ) are black, where 0 ≤ k ≤ 10. If three balls are drawn at random without replacement and…2026
JEE Main 2025 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.