Solution:

BACK

All the others can also be read backwards as proper words.

Solution:

They were playing tennis.

Tiger Phil
30 - 30
40 - 30 (Phil hit a bad shot)
Game won - 30 (Tiger hit an awesome shot)

Solution:

The woman started walking across the bridge when the guard was inside the hut. She walked all the time he was inside (5 minutes) and then turned and moved back towards the kingdom. On approaching the kingdom he was asked for papers and since she did not have any, she was sent back.

Solution:

They used the planks in the manner that is shown in the figure.

Solution:

Move the coins as given in the figure and you will get the required result.

Solution:

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

Solution:

Playing chess

Game needs two players so Brother-8 is playing chess with Brother-2

Solution:

The mules is moving in circular path and hence outside legs travels more distance than inner legs.

Solution:

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

cannot be 1 (as number cannot be included)

Solution:

The attached picture shows you how you can do it. If you were able to deduce any other way, feel free to comment.

Solution:

White should move the rook from
A1 to D1 and hence complete the castling move.