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A cube having all of its sides painted i...

A cube having all of its sides painted is cut by two horizontal, two vertical, and other two planes so as to form 27 cubes all having the same dimensions. Of these cubes, a cube is selected at random.
The total number of cubes having at least one of its sides painted is

A

(a)14

B

(b)18

C

(c)22

D

(d)26

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The correct Answer is:
(d)
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ARIHANT MATHS-PROBABILITY-Exercise (Passage Based Questions)
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  3. There are n students in a class. Ler P(Elambda) be the probability tha...

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  9. A JEE aspirant estimates that she will be successful with an 80 percen...

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  10. Suppose E1, E2 and E3 be three mutually exclusive events such that P(E...

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  11. Suppose E1, E2 and E3 be three mutually exclusive events such that P(E...

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  12. Suppose E1, E2 and E3 be three mutually exclusive events such that P(E...

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  13. Let A = {1, 2, 3}, B = {2, 4} and R = {(1, 2), (2, 2), (2, 4), (3, 4)}...

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  14. Let A={1, ,2, 3} and B={-2, -1, 0, 1, 2,3}. The probability of incre...

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  15. Let A={1, ,2, 3} and B={-2, -1, 0, 1, 2,3}. The probability of non d...

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  16. A random variable X takes the values 0,1,2,3,..., with prbability P(X=...

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  17. A random variable X takes values 0, 1, 2, 3,… with probability proport...

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  18. A random variable X takes values 0, 1, 2,...... with probability propo...

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  19. Factorise : 8x^3 + y^3 + 27z^3 -18xyz

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  20. Evaluate int2/(2x+12)dx

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