Solution:

One In Million

Solution:

Daughter.

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:

100

Series of number that do not contain albhabet 'T'

Solution:

There are 3 fruits (1 grapes, 1 apples, and 1 oranges).

Solution:

3/7

Explanation:
If a 31day month starts on a Friday, Saturday or Sunday it will have five Sunday, if not it will have 4 Sunday.

Solution:

If you ask the guard who always tells the truth, he would tell you the other guard would point you to the door of death. If you ask the guard who always lies, he would tell you the opposite door of the truth-telling guard and point you to the door of death. In either case, both guards will point to the door of death so you should choose the other one.

Solution:

16-days

In 15-days, he will climb 15-inch and when he climbs 5 inch more, he will be out of the well :-)

Solution:

On Your lap.

Solution:

28 =>1+2+4+7+14

cannot be 1 (as number cannot be included)

Solution:

Align the toothpicks to form TEN. Use one toothpick for each of the lines.