I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

How many Watermelons are there in the below picture?

What runs around the whole yard without moving?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

There are five men, let's say Tarun Harish Lavesh, Manoj, and Manish. All of them have a dot mark on their forehead. They can't see the dots on their forehead but can see the ones on others. The owner of WHITE Dot is an honest person and will never lie, while the owner of BLACK Dot always tells the lie.

This is the statement from Tarun Harish Lavesh and Manish:
Tarun: 'I see 3 whites and 1 black'
Harish: 'I see 4 black'
Lavesh: 'I see 3 black and 1 white'
Manish: 'I see 4 white'

What colour is the dot on each of Tarun Harish Lavesh, Manoj, and Manish's forehead?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

I look at you, you look at me, I raise my right, you raise your left. What am I?

How can a man go eight days without sleep?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?