What is the probability of getting a sum of 7 when two dice are thrown?

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16

58

913

35132

answer is A.

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Detailed Solution

It is given that two dice are thrown together.
Total numbers of outcomes when throwing n no. of dice together

= 6 n

.
The total number of possible outcomes when throwing two dice together is

n S = 62 = 36

.
The possible outcomes when two dice are thrown simultaneously is, Question Image

Now look for a pair of numbers where the sum is 7.
Favorable cases = (1, 6) (6, 1) (2, 5) (5, 2) (3, 4) (4, 3) that are 6 ways.
Therefore, the required probability is

\frac{Number of favorable cases}{Total number of outcomes} .

P A = 636 = 16

Hence, option 1 is correct.

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