Solution:

Image C

Explanation:
If we add one matchstick to any other image, it forms a full-length capital letter.

Solution:

None

The sum of numbers from 0-9(0,1,2,3,4,5,6,7,8,9) is 45 and therefore can be divisible by 3 and 9.

Solution:

The man asked the king that he wanted to die of old age.

Solution:

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

Solution:

Karate Kid (car + at + tea + kid)

Solution:

What must be kept in mind before you start calculating through any method is that the weights can be put on both the pans.

So the weights - 1, 3, 7, 12, 43, 76, 102

The oldest man that can be weighed using these weights is a man aged 122 years

Solution:

The woman told him to take out one nut each from the rest of the wheels and use them.

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:

A
D
C
A
B

Solution:

Q = 1
U = 9
I = 6
C = 8
K = 3.

Explanation:
Replace values in( Q + U + I + C + K)^3 = QUICK
(1+9+8+6+3)^3 = 19863
27^3 = 19863
19863 = 19863

Solution:

Put one red marble in one box and all other marbles in the 2nd box.

Probability :
50 + 24/49