Management Aptitude Test 2014 Paper

Question : 99 of 200

Marks: +1, -0

Two fair dices are thrown. Given that, the sum of the dice is less than or equal to 4, find the probability that only one dice shows two.

$1/4$
$1/2$
$2/3$
$1/3$

Validate

Solution:

The sum on faces of dice is either 4 or less, so such ways are (1, 1), (2, 1), (1, 2), (2, 2), (3, 1), (1, 3) = 6
Total ways in which only one dice shows 2 are (2, 1) (1, 2) = 2
∴ Required probability that only due dice shows two
=

2/6=1/3

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