NTA Abhyas JEE Main2020MathematicsProbabilityPractice
A fair die is thrown n number of times. If the probability of always getting a number greater than the previous number is 5 54 , then the value of n is equal to n ≤ 6
Correct answer
3
Step-by-step solution
Total cases = 6 n Favourable cases = 6 C n Required probability = 6 C n 6 n = 5 54 by observation n = 3 satisfies