In a bag, there are 5 green, 6 black and 7 red pens. One pen is picked up randomly. What is the probability that it is neither red nor green? Answers.
A) 5/18	B) 7/18	C) 1/3	D) 1/2	E) 1/5
Explanation :   Neither red nor green means the pen drawn is black.   Total number of outcomes = (5+6+7)= 
<gadget id="calculator">(5+6+7)</gadget>
<output>18</output>
18.   Number of Favourable outcomes= 6 = Number of black pens.   Hence, Probability of the event = 6/18 = 1/3.   Answer : 1/3
<result>C</result>
In a bag, there are 5 green, 6 black and 7 red pens. One pen is picked up randomly. What is the probability that it is neither red nor green?