1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
There is 25% chance that it rains on any particular day. What is the probability that there is at least one rainy day within a period of 7 days?
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A salesman has a 70% chance to sell a product to any customer. The behaviour of successive customers is independent. If two customers A and B enter, what is the probability that the salesman will sell the product to customer A or B ?
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A student appears for tests I, II and III. The student is considered successful if he passes in tests I, II or I, III or all the three. The probabilities of the student passing in tests I, II and III are m, n and 1/2 respectively. If the probability of the student to be successful is 1/2, then which one of the following is correct?
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The candidates solve a question. Odds in favour of the correct answer are 5 : 2, 4 : 3, and 3 : 4 respectively for the three candidates. What is the probability that at least two of them solve the question correctly?
NDA Subjects
Browse all chapters by subject
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