Latest Elitmus Aptitude Question SOLUTION: a bag contains white and black ball.2 ball is drawn from bag at random.what is the probablity of getting white ball. 1,black ball probablity is 1/3. 2.white ball is 24

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Previous Question: Three cards are drawn from pack of ordinary cards.what is the probability the card drawn is king,queen and jack. Next Question: Four mirrors are erected perpendicular to the ground to from a rectangle ABCD (where A,B,C,D are four corners of the Rectangle ) the longer mirror are of length 15cms and shorter mirrors are of length 4cms the reflective surface of all Mirrors are facing inwards and there is negligible gap b/w two mirrors at the four corners through which nothing more than a laser beam is shot at mirror BC(longer mirror)through the gap at point A. In a plane parallel to the ground. Q1 How many times will the laser beam bounce off a mirror surface before exiting the rectangle from point C , if the beam travels a total distance of 25cm inside the rectangle. A) 5 B) 4 C)3 D)none Q2) How many times will the laser beam bounce off a mirror surface before exiting the rectangle from point A, if the beam Travels the shortest possible distance inside the rectanagle. A)22 B)15 C)4 D)none

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a bag contains white and black ball.2 ball is drawn from bag at random.what is the probablity of getting white ball.
1,black ball probablity is 1/3.
2.white ball is 24: Asked In Elitmus avinash kumar jha (8 years ago); Unsolved Read Solution (5); Is this Puzzle helpful? (2) (4) Submit Your Solution Data Sufficiency

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Previous Question: Three cards are drawn from pack of ordinary cards.what is the probability the card drawn is king,queen and jack. Next Question: Four mirrors are erected perpendicular to the ground to from a rectangle ABCD (where A,B,C,D are four corners of the Rectangle ) the longer mirror are of length 15cms and shorter mirrors are of length 4cms the reflective surface of all Mirrors are facing inwards and there is negligible gap b/w two mirrors at the four corners through which nothing more than a laser beam is shot at mirror BC(longer mirror)through the gap at point A. In a plane parallel to the ground. Q1 How many times will the laser beam bounce off a mirror surface before exiting the rectangle from point C , if the beam travels a total distance of 25cm inside the rectangle. A) 5 B) 4 C)3 D)none Q2) How many times will the laser beam bounce off a mirror surface before exiting the rectangle from point A, if the beam Travels the shortest possible distance inside the rectanagle. A)22 B)15 C)4 D)none

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