Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you name an animal whose killing cannot be performed without spilling your own blood?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Can you solve the photo plexer logic ?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?