1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If a fair die is rolled 4 times, then what is the probability that there are exactly 2 sixes ?
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following statements :
1. If A and B are mutually exclusive events, then it is possible that P(A) = P(B) = 0.6
2. If A and B are any two events such that P(A / B) = 1, then P($$\overline B $$ / $$\overline A $$) = 1.
Which of the above statement is/are correct?
1. If A and B are mutually exclusive events, then it is possible that P(A) = P(B) = 0.6
2. If A and B are any two events such that P(A / B) = 1, then P($$\overline B $$ / $$\overline A $$) = 1.
Which of the above statement is/are correct?
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
There are 3 coins in a box. One is a two-headed coin; another is a fair coin; and third is biased coin that comes up heads 75% of time. When one of the three coins is selected at random and flipped, it shows heads. What is the probability that it was the two-headed coin?
4
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If 5 of a Company's 10 delivery trucks do not meet emission standards and 3 of them are chosen for inspection, then what is the probability that none of the trucks chosen will meet emission standards?
Questions Asked from Probability (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies