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 14th September 2025

MCQ (Single Correct Answer)

+2.5

-0.833

In a sample survey of a village, the probability that a farmer is in debt is 0.60. What is the probability that three randomly selected farmers are all in debt (assume independence of events)?

0.000216

0.064

0.216

0.512

PREVIOUS NEXT

NDA Subjects

Browse all chapters by subject

English

Reading Comprehension Synonyms Antonyms Cloze Rearranging Sentences in a Paragraph Idioms and Phrases Word Classes Sentence Completion Improvement of Sentence

General Science

Chemistry Physics Biology

General Studies

History Geography Polity Economy General Knowledge