How can you take 2 from 5 and leave 4?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

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

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Replace the question mark with the correct number in the below-given picture?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

I am the fastest animal but cannot climb the tree. What am I?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?