What seven-letter word has hundreds of letters in it?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What is so fragile that saying its name breaks it?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

You can hear me, but you can't touch or see me.

What am I?

What kind of storm is always in a rush?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

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?