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?

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

3/13

B

9/160

C

5/17

D

7/130

E

1/2

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?

A

136

B

148

C

152

D

164

E

176

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?

A

6

B

7

C

8

D

9

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 ?

A

1/2

B

1/3

C

1/6

D

1/8

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?

A

4

B

5

C

6

D

7

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?

A

12

B

9

C

6

D

None of the above

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?

A

1/2

B

1/3

C

1/4

D

1/6

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

75%

B

80%

C

60%

D

16.23%

E

96.68%

A container contains 26 yellow, 6 red, 13 green, and 19 pink marbles. 20 marbles are added to the container randomly. How many of the added marbles are yellow if the chance of choosing a yellow marble out of the container becomes 0.5.

A

10

B

12

C

18

D

20

E

16

In the following question, 3 statements are given. You have to find which is/are necessary and sufficient to answer the following question. Two containers each contain some balls of Red and Blue color. Now all the balls of these two containers are mixed into a single third container which also contained some Red and Blue color balls initially as well. If 5 balls are taken out, then find the probability that all the balls taken out are Red in color. Statement 1∶ Total number of balls finally in 3rd container is 135. Statement 2∶ Ratio of balls in 1st container and 2nd container is 2 ∶ 7 Statement 3∶ Ratio of Red and Blue balls in 3rd container before mixing is 2 ∶ 3

A

Only statement 1 is sufficient to answer the question.

B

Only statement 1 and 2 are sufficient to answer the question.

C

Only statement 2 and 3 are sufficient to answer the question.

D

All the statements are sufficient to answer the question.

E

All the statements are not sufficient to answer the question.

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?

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