Real Numbers

Question

A bag contains 35 balls out of which x are blue.

(i) If one ball is drawn at random. What is the probability that it will be a blue ball?
(ii) If 7 more blue balls are put in the bag, the probability of drawing in (i). Find x.

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space straight x over 36 space space space left parenthesis ii right parenthesis space 5$

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Real Numbers

A bag contains 35 balls out of which x are blue.

(i) If one ball is drawn at random. What is the probability that it will be a blue ball?
(ii) If 7 more blue balls are put in the bag, the probability of drawing in (i). Find x.

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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For Daily Free Study Material Join wiredfaculty

Real Numbers

A bag contains 35 balls out of which x are blue. (i) If one ball is drawn at random. What is the probability that it will be a blue ball?(ii) If 7 more blue balls are put in the bag, the probability of drawing in (i). Find x.

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 bag contains 35 balls out of which x are blue.

(i) If one ball is drawn at random. What is the probability that it will be a blue ball?
(ii) If 7 more blue balls are put in the bag, the probability of drawing in (i). Find x.