Can you make a six-letter word using the letters N, A and B ?

Count the number of triangles in the given picture.

Can you place three balls such that the equation shown in the picture holds true?

Who can jump higher than a Mountain?

I am white when I am dirty, and black when I am clean. What am I?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you find out the number that should replace the question mark with a valid reason?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?