A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What do you think with the below Picture ?

What is the centre of gravity?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What does does this rebus picture means ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

What does below pictogram mean?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C