Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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 have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

The dirtier I get, the whiter I look. Who am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Count the number of triangles in the given picture.

I taste better than I can smell. Who am I?