Ram put some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons in all. All of a sudden, a cat jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue?
a. 7/20
b. 3/5
c. 1/5
d. 1/4

2

Answers

2015-05-28T21:23:41+05:30
The probability that the button on the floor is  1/5
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2015-05-29T19:33:29+05:30
Option (c) 1/5 is correct . 
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