MHT CET202120 Sep 2021Evening ShiftMathematicsProbabilityActual

Two unbiased dice are thrown. Then the probability that neither a doublet nor a total of 10 will appear is

Options

A1 12
B1 36
C2 9
D7 9

Correct answer

D. 7 9

Step-by-step solution

Number of ways of getting doublet =6 Number of ways getting a total of 10 are (4,6),(5,5),(6,4) i.e. 3 ways Here (5,5) is common. Total ways of getting doublet or total of 10 are 6+3-1=8 Hence required probability = 36-8 36 = 28 36 = 7 9

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