1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The mean and standard deviation of a binomial distribution are 12 and 2 respectively. What is the number of trials ?
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If two dice are thrown and at least one of the dice shows 5, then the probability that the sum is 10 or more is
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Let A, B and C be three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = 1.5 P(A) and P(C) = 0.5 P(B), then P(A) is equal to
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
In a bolt factory, machines X, Y, Z manufacture bolts that are respectively 25%, 35% and 40% of the factory's total output. The machines X, Y, Z respectively produce 2%, 4% and 5% defective bolts. A bolt is drawn at random from the product and is found to be defective. What is the probability that it was manufactured by machine X?
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