How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Can you tell a 3D object that has just two surfaces?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What number do you get when you multiply all of the numbers on a telephone's number pad?