Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you divide the below-given shape into four equal and identical pieces?

What came first, the chicken or the egg?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

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 ?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

You need to arrange three 7 and mathematical symbols to form number 1?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

If two's company, and three's a crowd, then whats four and five ?