Logic Puzzles Questions

Our solution:

Toss the coin twice.
Let TH, HT and TT correspond to the three choices.
And if you get HH, just repeat (so it takes 8/3 tosses on average).


BIASED COIN

If the coin was biased, TH and HT would occur with equal probability.
So you could assign THHT, HTTH and THTH to the three choices, with other 4-toss outcomes rejected.
Or you could assign HTT, THT and TTH to the three choices, with other 3-toss outcomes rejected.

The Room can Nobody Enter is a Mushroom.

Given that, a woman has seven children. Half of them are boys. 

Half of 7 is 3.5 which is not possible. And it is possible in only one way that all the children must be boys. Then half of them are boys.

Those are stairs which goes up and down without moving.

TIME is what we can measure in Years, Months, Days, Hours, Minutes and Seconds but we cannot see.

26.

We have 12 months.

In every month we get 28 or more days. 

So that implies we get 28 days in each and every month.

All the above will stay where they are when they goes off. Basically anything that can swithch on or off will come under this.