Question

xample 14
:
Hos od onodown on
Given two bags A and B as follows : Bag A contains 3 red
and 2 white balls and bag B contains 2 red and 5 white balls.
1151 A bag is selected at random, a ball is drawn and put into the
other bag, then a ball is drawn from the second bag. The
probability that both balls drawn are of the same colour is
187
901
(s
439
(a)
(b)
1680
1680
(C)
(d) None
1680
Solution :
(b) The whole event consists of the following mutually
dort exclusive ways.
exclusive ways. rs en sorreront )
goibos (1) Selecting the bag A, drawing a red ball from A and​

Answer 1

Answer:

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.