Latest MBA Aptitude Question SOLUTION: A bag contains six sticks of the following lengths 1 cm, 3 cm, 7 cm, 11 cm and 13 cm. three sticks are drawn at random from the bag. What is the probability that we can form a tria

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(#M40015168) MBA question permutations and combinations, probability Keep an EYE

A bag contains six sticks of the following lengths 1 cm, 3 cm, 7 cm, 11 cm and 13 cm. three sticks are drawn at random from the bag. What is the probability that we can form a triangle with those sticks?Options are--

1) 11/20
2) 1
3) 1/4
4) 2/5

Asked In MBA (11 years ago)

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Nikhil Arora  (11 years ago)

necessary condition for a triangle: sum of the two sides should be larger than the greatest side.
so if you take out 1,3,7 tringle is nt going to be formed.
similarly (1,3,11) ,,,,(3,7,11) etc.....


then only two cases are left i.e. (3,11,13) and (7,11,13)
so probabiltiy will be 2/5

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