Brain Teasers - II

Ques 1) Long long ago, there was a primitive island in Europe having n number of inhabitants on it. All the inhabitants of island compulsorily use to meet each other, each evening at grand get together. In one similar evening, a prophet visited them and informed that some of them are infected by eye flue (a disease in which the colour of eyes gets changed). He also instructed that no one has to be informed about the infection of a person to him by any of one's activity and also put up that as soon as one comes to know about his own infection, he has to commit suicide the same night.Fortunately, there was no device over the island in which one can see the colour of his own eyes. Even then after x no. of days, 3 people committed suicide, find the value of x.

Ques 2) A teacher drew several circles on a sheet of paper. Then he asked a student, "How many circles are there ?" . "Seven", was the answer. "Correct ! , so how many circles are there ? " , the teacher asked another student. " Five", answered the student, "Absolutely right ! " replied the teacher. How many circles were really drawn on the sheet ?

Ques 3) A bear slips into 20 m deep vertical valley and takes 2 seconds to reach the bottom. What was the colour of the bear ?

6 Answers

1
cute_cat ·

q3 white lolzzz......

1
Anirban ·

1)Ok, there was no device,but there must be water at least in which they could see their reflections.

1
cute_cat ·

ya and it is an island...certainly surrounded by lots of water....

11
Soham Mukherjee ·

q)3 white...bcoz...u can't se..in 20 m deep well...if u heard sound..then it'll take..

39
Pritish Chakraborty ·

Actually in Q3 you have to find the value of g which comes out to be 9.66 m/s², which is the value of g at the poles. Hence it is a polar bear, and it is white..

1
Shahbaz Ali ·

whats the answer of 1st and 2nd

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