Can you replace the question mark with the correct number?

What does below Rebus say?

XLR8

Out of four images which one is the odd one out?

Can you name four days which start with the letter 'T'?

What does this mean?

CCCCCCC

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Can you count the number of blocks in the picture below?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What can you see in the middle of March and April that you can never see in any other month?