I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you count the number of quadrilaterals in the picture below?

A bomb exploded in a room full of married couples and no one died. How?

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

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

What does this below rebus puzzle mean?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

The centre of the third figure is empty. What digit should fit inside?

What is the below Rebus indicate?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?