Leo’s pencil case contains 8 black pens, 6 blue pens and 2 red pens. He loses 4 pens, 2 of which are blue. If he then picks one pen out of the pencil case at random, what is the probability that it will be blue?
A) 1/3
B)1/4
C)1/6
D)1/8
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Answer:
given,. 8 black 6 blue 2 red pens
Total pens = 16
After losing 4 pens.
Blue pens= 4
Total pens= 16-4= 12
P(Blue pens)=4/12=1/3
Hence, probability of picking up a blue pens is 1/3.
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