What number should come in place of the question mark below?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

Solve the following series:
AZ, GT, MN, __, YB

Can you replace the question mark with the correct number?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

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?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?