Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

No one wants to have it, but if one got it, he does not want to lose it. What is It?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

What number should come in place of the question mark below?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?