What happened when the wheel was invented?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

In the four images below, can you find the odd one out?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

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)

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

By what process could you make a 'Tea-Table' into food?

Find out the number of circles in the given picture having Illusion

In the image below, can you find the value of an angle(y)