Question

(48) A circular wheel numbers 1 to 20 on its surface is rolled twice. What is the probability
of getting two 11s ?
(A)
1
200
(B)
400
1
(C)
40
01.003 - Std. 12 - Mathematics
1
(D)
20
6
[Contd...
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Answer 1

Answer:

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4

cij of CC) = x 3-3 x 2 + 4x - 4