81 x 9 = 801. What must you do to make the this equation true?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Count the number of triangles in the given picture.

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

What is the longest word in the dictionary?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?