What number comes next in the following sequence 2, 5, 15, 18, 54, __

In Nigeria, you can't take a picture of a man with a wooden leg. Why not?

What makes more as you take them?

What is full of holes but can still hold water?

Four houses are built, yellow, green and white houses. If the yellow is at the left of the house in the middle and the white
house is to the right of the middle house.  Where is the White House?

Which travels faster? Hot or cold.

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