NDA 2019 Paper 2 | Probability Question 78 | Mathematics

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?

$${1 \over 8}$$

$${3 \over 8}$$

$${1 \over 12}$$

$${1 \over 4}$$

NDA 2019 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Two dice are thrown simultaneously. What is the probability that the sum of the numbers appearing on them is a prime number?

$${5 \over {12}}$$

$${1 \over {2}}$$

$${7 \over {12}}$$

$${2 \over {3}}$$

NDA 2019 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

From a deck of cards, cards are taken out with replacement. What is the probability that the fourteenth card taken out is an ace?

$${1 \over {51}}$$

$${4 \over {51}}$$

$${1 \over {52}}$$

$${1 \over {13}}$$

NDA 2019 Paper 1

MCQ (Single Correct Answer)

+2.5

-0.83

IF A and B are two events such that P(A) = 0.5, P(B) = 0.6 and P(A $$\cap$$ B) = 0.4, then what is P($${\overline {A \cup B} }$$) equal to ?

0.9

0.7

0.5

0.3

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