Solution:

Mushroom

Solution:

I + IX = X

The equation read from the other side becomes X = XI + I which is false.

Solution:

41312432

Solution:

5 leopard and one sheep

since all animal are rational , once 1st leopard eats the sheep all the rest of leopard would know about this.

Solution:

Move the coins as given in the figure and you will get the required result.

Solution:

I am word "Introvert"

Solution:

The answer is 'R'

It represents the gear stick. The number 1-5 represents gears and the last one thus should be reverse i.e. R.

Solution:

100

Series of number that do not contain albhabet 'T'

Solution:

Solution is below

Solution:

It can be done in 8 moves as shown in the animated image below.

Solution:

What is the correct time ?