In a pen holder, there are some pens. Out of the total pens, 8 are red

1.	In a pen holder, there are some pens. Out of the total pens, 8 are red, 7 are blue, and the restare green. If the probability of getting a red pen is 2, then find the total number of pens inholder and the probability of getting a green men5thepen
Answer» Given:– no. of RED pens = 8 no. of blue pens = 7 let the total no of pen be x. Then, no. of GREEN pen = x- ( 8+7) = x-15 A/q P(red pen) = 1/2 = 8/x On COMPARING LHS & RHS, x = 16 Total no. of pens = 16 So, no. of green pen = 16-15 = 1 P(green pen) = 1/16

In a pen holder, there are some pens. Out of the total pens, 8 are red, 7 are blue, and the restare green. If the probability of getting a red pen is 2, then find the total number of pens inholder and the probability of getting a green men5thepen

Answer»

Given:– no. of RED pens = 8

no. of blue pens = 7

let the total no of pen be x.

Then, no. of GREEN pen = x- ( 8+7) = x-15

A/q

P(red pen) = 1/2 = 8/x

x = 16

Total no. of pens = 16

So, no. of green pen = 16-15 = 1

P(green pen) = 1/16