A. 17/91

**B. 33/91**

C. 51/91

D. 65/91

Explanation:

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Given that there are three blue marbles, four red marbles, six green marbles and two yellow marbles. When four marbles are picked at random, then the probability that none is blue is = ¹²C₄/¹⁵C₄ = (12 * 11 * 10 * 9)/(15 * 14 * 13 * 12) = 33/91

### Related Mcqs:

- A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
A. 3/22

B. 4/21

**C. 2/21**

D. 1/14 - A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
**A. 1/455**

B. 2/455

C. 1/91

D. 4/455 - Arslan and Bilal have some marbles with them. Arslan told Bilal “if you give me ‘x’ marbles, both of us will have equal number of marbles”. Bilal then told Arslan “if you give me twice as many marbles, I will have 30 more marbles than you would”. Find ‘x’?
A. 4

**B. 5**

C. 6

D. 8

E. None of these - A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
A. 4/9

**B. 5/9**

C. 7/9

D. 8/9 - A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
A. 62/63

B. 125/126

C. 1/63

**D. 1/126** - A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?
**A. 25/42**

B. 9/20

C. 10/23

D. 41/42 - A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.
A. 6/63

B. 2/63

**C. 125/126**

D. 1/126 - A bag contains nine yellow balls, three white balls and four red balls. In how many ways can two balls be drawn from the bag?
A. ⁹C₂

B. ³C₂

**C. ¹⁶C₂**

D. ¹²C₂ - The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm
^{3}of metal used in the box weighs 0.5 gms, the weight of the box is________?A. 8.56 kg

B. 7.76 kg

C. 7.756 kg

**D. 6.832 kg** - In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
A. 4/11

B. 1

C. 2/33

**D. 19/66**

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