Solution:

Seven chairs are required as there are only seven people in the room.
A Grandfather married to Grandmother.
They are blessed with a son who is married to a woman.
Together, they have three children a handsome lad and two beautiful angels.

Thus, only seven people are present.

Solution:

Put one black rock in one sack and put all the rest in the other one. In such manner you will get about 3/4 probability of surviving.

Solution:

fIvE thOUsAnd(5000)

Solution:

He askes the god to beat him half to death.

Solution:

Can be found on the pic below.

Solution:

In the corners of the square, tighten two ropes. Tighten another rope between them by putting rings on each rope. That rope should be tightened on the sheep's neck on the other end.

Solution:

The old lady of course.
After helping the old lady into the car, I give the car keys to my best friend.
And then i go ib the bus with child love <3

Solution:

He simply suggested that one of the brothers will be allowed to divide the land but he must take into consideration that it will be the other one who will have a choice of selecting his land between the two halves first.

Thus both will be happy in such manner.

Solution:

192

Explanation:
I started with the number 192.
Adding the reversed 291 to 192 gave me 483.
Similarly,
483 + 384 = 867
867 + 768 = 1635
1635 + 5361 = 6996

Solution:

From top to bottom, the flavors are :

nutty-chocolate
peppermint
orange
Jamaica
walnut

Solution:

The Password.

Explanation:
Clues 2 and 5 are correct and rest are lies.