top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Whats the probability of choosing correct answer in this random manner - 1) 1/4 2) 1/2 3) 1 4) 1/4

+1 vote
313 views

Can you tell us whats the probability of choosing correct answer in this random manner.

1) 1/4
2) 1/2
3) 1
4) 1/4

posted Aug 30, 2017 by Mogadala Ramana

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes
 
Best answer

0

Here is the catch 2 answers(a and d) are 1/4, if the answer is 1/4, then because 2 out of 4 answer choices are ‘1/4’, the answer must actually be 1/2. This is a contradiction. So the answer cannot be 1/4.
If the answer is 1/2 (or 1), then because 1/2 (or 1) is 1 out of 4 answer choices, the answer must be 1/4. This is again a contradiction. So the answer cannot be 1/2 (nor 1).

So none of the provided answer are correct. Therefore the probability of choosing the correct answer is 0

answer Aug 30, 2017 by Salil Agrawal



Similar Puzzles
0 votes

A bag contain 5 blue and 4 black balls. Three balls are drawn at random. What is the probability that 2 are blue and 1 is black.

–1 vote

There are 12 boys and 9 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?

+2 votes

I have a stick of length 3 cm and I select 2 random points on it and break it at those points to get 3 pieces.

If the probability that these pieces will form a triangle is m/n where m and n are coprime integers then what is the value of m × n?

–1 vote

There are 8 boys and 5 girls in a class. If four students are selected at random, what is the probability that 2 girls and 2 boy are selected?

...