1.

A and B throw a dice. The probability that  A's throw is not greater than B 's  is(a)  5/12(b) 7/12(c)  1/16(d)  None of these 

Answer»

Correct option  (b) 7/12

Explanation:

B’s throwA’ s throw
61,2,3,4,5,6
51,2,3,4,5
41,2,3,4
31,2,3,
21,2,
11

Favourable ways is 21.

 required probability is 21/36 = 7/12



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