Related Questions

In three coloured boxes - Red, Green and Blue, 108 balls are placed. There are twice as many balls in the green and red boxes combined as there are in the blue box and twice as many in the blue box as there are in the red box. How many balls are there in the green box ?
A 18
B 36
C 45
D None of these
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green?
A $$\frac{{2}}{{3}}$$
B $$\frac{{3}}{{7}}$$
C $$\frac{{8}}{{21}}$$
D $$\frac{{9}}{{22}}$$
In a box, there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly , what is the probability that it is neither red nor green ?
A 1/3
B 3/4
C 7/19
D 8/2
There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. what is the probability that a blue ball is selected at random from the box?
A 3?15
B 4/15
C 3/13
D 4/13
একটি বাক্সে ৮টি কমলা, ৭টি সাদা, ও ৬টি নীল বল আছে। বাক্স হতে একটি বল দৈবক্রমে উত্তোলন করা হলে সেটি কমলা ও নীল না হওয়ার সম্ভাবনা কত? (In a box, there are 8 orange, 7 white and 6 blue balls. If a ball is picked up randomly, what is the probability that it is neither orange nor blue?)
A 1/3
B 1/21
C 2/21
D 5/21
There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?
A 6/14
B 2/7
C 6/35
D 6/29
A box contains 5 pink , 3 green and 2 yellow balls, Three balls are picked up randomly. What is the probability that none of the ball drawn is green
A 3/4
B 2/8
C 4/3
D 2/3
A bag contains five red balls, twelve blue balls and eight green balls. If one ball is drawn from the bag what is the probability that the ball will not be green?
A 1725
B     825
C    125
D 18
A bag contains 6 red balls, 11 yellow balls and 5 pink balls. If two balls are drawn at random from the bag one after another, what is the probability that the first ball is red and the second ball is yellow?
A 1/14
B 2/7
C 5/7
D 3/14
A box contains 4 tennis ball 6 season and 8 dues balls . 3 balls are randomly drawn from the box. What is the probability that the balls are different ?
A 2/17
B 4/17
C 4/11
D 3/13

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