What is the below Rebus indicate?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

I cannot talk, but I always reply when spoken to. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

who is silent in the parliament?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

What is next number in the pattern below:

131 517 192 123 ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?