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?

Find the hidden tiger in the given optical illusion ?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Why is a river so rich ?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

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

Find out which of the given views in the picture is accurately the top view of the given pyramid.

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?