Can you place six X (crosses) in below board without making three in a row in any way ?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

What you cannot hold but it is yours?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Which digit occurred maximum times between the number 1 and 1000?

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

What is the centre of gravity?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?