How do you go from 98 to 720 using just one letter?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

You need to arrange three 7 and mathematical symbols to form number 1?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

A bomb exploded in a room full of married couples and no one died. How?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

What goes up but never comes down?