Three boys and two girls stand in a queue. The probability, that the number of boys ahead of eve... VIDEO
Three boys and two girls stand in a queue. The probability, that the number of boys ahead of every girl is at least one more than the number of girls ahead of her, is -
\( P \)
(A) \( \frac{1}{2} \)
(B) \( \frac{1}{3} \)
(C) \( \frac{2}{3} \)
(D) \( \frac{3}{4} \)
W.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-12-01 Let \( \mathrm{S} \) be the sample space of all \( 3 \times 3 \) matrices with entries from the ... 2022-12-01 For a body, angular velocity \( \vec{\omega}=\hat{\mathrm{i}}-2 \hat{\mathrm{j}}+3 \hat{\mathrm{... 2022-12-01 If the vectors \( (\hat{\mathrm{i}}+\hat{\mathrm{j}}+\hat{\mathrm{k}}) \) and \( 3 \hat{\mathrm{... 2022-12-01 If \( \overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}=\overrightarrow{0} \) and \... 2022-12-01 Let \( \mathrm{E} \) and \( \mathrm{F} \) be two independent events. The probability that exactl... 2022-12-01 The minimum number of times a fair coin needs to be tossed, so that the probability of getting
P... 2022-12-01 Of the three independent events \( \mathrm{E}_{1}, \mathrm{E}_{2} \) and \( \mathrm{E}_{3} \), t... 2022-12-01 Football teams \( \mathrm{T}_{1} \) and \( \mathrm{T}_{2} \) have to play two games against each... 2022-12-01 Football teams \( \mathrm{T}_{1} \) and \( \mathrm{T}_{2} \) have to play two games against each... 2022-12-01 A signal which can be green or red with probability \( \frac{4}{5} \) and \( \frac{1}{5} \) resp... 2022-12-01 Three boys and two girls stand in a queue. The probability, that the number of boys ahead of eve... 2022-12-01 A ship is fited with three engines \( \mathrm{E}_{1}, \mathrm{E}_{2} \) and \( \mathrm{E}_{3} \)... 2022-12-01 A box \( \mathrm{B}_{1} \) contains 1 white ball, 3 red balls and 2 black balls. Another box \( ... 2022-12-01 Four fair dice \( \mathrm{D}_{1}, \mathrm{D}_{2}, \mathrm{D}_{3} \) and \( \mathrm{D}_{4} \), ea... 2022-12-01 Let \( \mathrm{X} \) and \( \mathrm{Y} \) be two events such that \( \mathrm{P}(\mathrm{X} \mid ... 2022-12-01 Four persons independently solve a certain problem correctly with probabilities \( \frac{1}{2}, ... 2022-12-01 Let \( \mathrm{U}_{1} \) and \( \mathrm{U}_{2} \) be two urns such that \( \mathrm{U}_{1} \) con... 2022-12-01 An unbiased coin is tossed 5 times. Suppose that a variable \( \mathrm{X} \) is assigned the val... 2022-12-01 Let \( \omega \) be a complex cube root of unity with \( \omega \neq 1 \). A fair die is thrown ... 2022-12-01 If three of the six vertices of a regular hexagon are chosen at random, then the probability tha... 2022-12-01 In a random experiment, a fair die is rolled until two fours are obtained in succession. The pro...