Real Numbers

Question

A box contains 19 balls bearing numbers 1,2,3,.........., 19. A ball is drawn at random from the box.

Find the probability that the number on the ball is
(i)    a prime number
(ii)    divisible by 3 or 5.
(iii)    neither divisible by 5 nor by 10
(iv)    an even number.

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space space 8 over 19 space space space left parenthesis ii right parenthesis space 8 over 19 space space space left parenthesis iii right parenthesis space 3 over 19 space space space left parenthesis iv right parenthesis space 9 over 19$

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Real Numbers

A box contains 19 balls bearing numbers 1,2,3,.........., 19. A ball is drawn at random from the box.

Find the probability that the number on the ball is
(i)    a prime number
(ii)    divisible by 3 or 5.
(iii)    neither divisible by 5 nor by 10
(iv)    an even number.

Some More Questions From Real Numbers Chapter

The probability of an event that is certain to happen is Such an event is called _.

The sum of the probabilities of all the elemen-tary events of an experiment is ______.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Real Numbers

A box contains 19 balls bearing numbers 1,2,3,.........., 19. A ball is drawn at random from the box. Find the probability that the number on the ball is(i) a prime number(ii) divisible by 3 or 5.(iii) neither divisible by 5 nor by 10(iv) an even number.

Some More Questions From Real Numbers Chapter

The probability of an event that is certain to happen is ________ Such an event is called _________.

The sum of the probabilities of all the elemen-tary events of an experiment is ______.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

A box contains 19 balls bearing numbers 1,2,3,.........., 19. A ball is drawn at random from the box.

Find the probability that the number on the ball is
(i) a prime number
(ii) divisible by 3 or 5.
(iii) neither divisible by 5 nor by 10
(iv) an even number.

The probability of an event that is certain to happen is Such an event is called _.