Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Count the squares in the matchstick puzzle below?

I have Rs.50 and I spend it in the way as below.

Can you decipher the below rebus?

PBLUESAISNUERSES

Spot the cat in the picture below

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Which number should replace the question mark?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)