Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Find the number of squares in the below picture

What do you answer even though it never asks you questions?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Give it food and it will live; give it water and it will die.

What makes this number unique: 8,549,176,320?

What do you get if you add 2 to 100 four times?

Prove that the below maths equation is true.

8 + 8 = 91

Can it be possible to build a house that has all its four walls facing towards the South?

Can you find the six hidden animals in the picture below?