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?

What occurs twice in a week, once in a year but never in a day?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

why number 8549176320 is one of a kind?

What is next number in the pattern below:

131 517 192 123 ?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

How can you tell a raw egg from a hard-boiled egg?