Real Numbers

Question

A box contains 20 balls bearing numbers 1,2,3,4,.........20. A ball is drawn at random from the box.

What is the probability that the number on the ball is (i) an odd number, (ii) divisible by 2 or 3, (iii) prime number and (iv) not divisible by 10.

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space space 1 half space space space left parenthesis ii right parenthesis space space 13 over 20 space space space left parenthesis iii right parenthesis space space space 2 over 5 space space space left parenthesis iv right parenthesis space space space 9 over 10$

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Real Numbers

A box contains 20 balls bearing numbers 1,2,3,4,.........20. A ball is drawn at random from the box.

What is the probability that the number on the ball is (i) an odd number, (ii) divisible by 2 or 3, (iii) prime number and (iv) not divisible by 10.

Some More Questions From Real Numbers Chapter

Write the Sample Space when a coin is tossed.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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Email Address

Location

For Daily Free Study Material Join wiredfaculty

Real Numbers

A box contains 20 balls bearing numbers 1,2,3,4,.........20. A ball is drawn at random from the box. What is the probability that the number on the ball is (i) an odd number, (ii) divisible by 2 or 3, (iii) prime number and (iv) not divisible by 10.

Some More Questions From Real Numbers Chapter

Write the Sample Space when a coin is tossed.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

A box contains 20 balls bearing numbers 1,2,3,4,.........20. A ball is drawn at random from the box.

What is the probability that the number on the ball is (i) an odd number, (ii) divisible by 2 or 3, (iii) prime number and (iv) not divisible by 10.