I have teeth but i don't bite. Who Am I ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

In The Image Below Which clock is the odd one out?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

How many times can you subtract the number 5 from 25?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you count the number of triangles inside a triangle?

What is the word or phrase?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?