NDA 2019 Paper 1 | Probability Question 92 | Mathematics

A and B are two events such that $$\overline A $$ and $$\overline B $$ are mutually exclusive. If P(A) = 0.5 and P(B) = 0.6, then what is the value of P(A / B) ?

$${1 \over 5}$$

$${1 \over 6}$$

$${2 \over 5}$$

$${1 \over 3}$$

NDA 2019 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

What is the probability that an interior point in a circle is closer to the centre than to the circumference ?

$${1 \over 4}$$

$${1 \over 2}$$

$${3 \over 4}$$

It cannot be determined

NDA 2019 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

If A and B are two events, then what is the probability of occurrence of either event A or event B ?

P(A) + P(B)

P(A $$\cup$$ B)

P(A $$\cap$$ B)

P(A) P(B)

NDA Mathematics 13 April 2025

MCQ (Single Correct Answer)

+2.5

-0.833

Consider the following for the two (02) items that follow:
Let X be a random variable following binomial distribution with parameters n = 6 and p = k Further, 9P(X = 4) = P(X = 2) .

What is the value of k?

1/2

1/3

1/4

1/5

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