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In a Container,there are 2 green marbles and 2 red marbles. You randomly pick two marbles . What is the probability that both of them are green ?

In a Container,there are 2 green marbles and 2 red marbles. You randomly pick two marbles . What is the probability that both of them are green ? Correct Answer 1/6

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In a container, there are 6 red marbles, blue marbles are 40% more than red marbles and green marbles are 25% less than blue marbles. Two marbles are drawn without replacement. If the first marble comes out to be green, then 50% of the red marbles are taken out of the container. (Approximating marbles to nearest whole number) Find the probability that first marble is green and second is red?
A box contained red, green and blue coloured marbles, such that the number of red marbles is 56 more than the green marbles, while the number of blue marbles is 15 less than the green marbles. If the number of green marbles is 1/4 of the total marbles in the box, how many marbles are there in the box?
Four students A, B, C and D distributed 30 marbles among themselves. No two students got equal number of marbles. No student got more than 10 marbles. No student got less than 5 marbles. A and C got odd number of marbles. B and D got even number of marbles. A got more marbles than B, C got more marbles than D, B got more marbles than D.  What is the number of marbles with A? 
The ratio of green marbles to red marbles in a box is 3:5. If there are 24 marbles in the box, how many additional green marbles will be required to make the ratio of green marbles to red marbles 1:1?
In a container , there are 2 green marbles and 2 red marbles .You randomly pick two marbles. What is the probability that both of them are green?
In a container , there are 2 green marbles and 2 red marbles. You randomly pick the marbles. what is the probability that both of them are green?
The ratio of blue and red marbles is 6 : 7 and total number of marbles in a bag is 65. If 30% of blue marbles and 20% of red marbles are sold out then, remaining blue marbles are what percent of remaining red marbles?
A box contains red, green and blue colored balls. When one ball is drawn randomly from the box, the probability that it is either green or blue is 2/3. Also, the probability that the ball drawn randomly from the box is either red or green is 3/5. When two balls are drawn one after another from the box, the probability that both balls are of green color is 1/15. Find the total number of balls in the box.
In a container , there are 2 green marbles and 2 red marbles . You randomly pick the marbles. What is the probability that both of the are green?
Compare the values of the two quantities in the question and answer. Quantity 1: A bag contains 20 balls which are red, green and blue. Find the number of red balls in the bag, if the probability of picking a blue ball is 2/5 and that of either a red or a blue ball is 3/4. Quantity 2: A bag contains 25 balls which are red, green and blue. The probability of picking a red ball first is 2/5. If the first ball was red and without keeping it back, probability of picking a blue ball is 1/3, find the number of green balls.