1
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Three boys P, Q, R and three girls S, T, U are to be arranged in a row for a group photograph.
What is the probability that no two girls sit together?
2
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Three boys P, Q, R and three girls S, T, U are to be arranged in a row for a group photograph.
What is the probability that P and Q take the two end positions?
3
NDA Mathematics 3 September 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following for the next items that follow:
Three boys P, Q, R and three girls S, T, U are to be arranged in a row for a group photograph.
What is the probability that Q and U sit together?
4
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
Let A and B be two independent events such that
P(A̅) = 0.7, P(B̅) = k, P(A ∪ B) = 0.8, what is the value of k ?
Questions Asked from Probability (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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