I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What jumps when it walks and sits when it stands?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Why despite killing dozens of people Charley and Wilma were not punished?

Through your logical capabilities, can you make 7 an even?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Count the number of squares in the picture below.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

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 ?