Solution:

The digits are 12, 5, 6, and 8

Solution:

I spoke with Joe.

Explanation:
There can be only two cases. Either Zoe is a liar or Joe is a liar.

First Case
Let us assume that Zoe is a liar and Joe is a truthful person.
If I asked the question from Joe, the answer will be yes. If I asked the question from Zoe, the answer will be no. Thus in this case, I must have asked from Joe.

Second Case
Let us assume that Zoe is a truthful and Joe is a liar.
If I asked the question from Joe, the answer will be yes. If I asked the question from Zoe, the answer will be no. Thus in this case as well, I must have asked from Joe only.

Solution:

457730 * 4 = 1830920
(DOLLAR * 4 = QUARTER)

Solution:

She is near the trunk of the tree as shown below.

Solution:

Old password : altered

New Password : distinct

Solution:

To do this, he must be pushing the cork inside the bottle and then taking out the coin.

Solution:

Difference 1
Toy plane direction is different.

Difference 2
On the clock, number 1 & 2 is missing.

Difference 3
The colors of lamp's light is changed.

Difference 4
The ribbon on the gift is missing.

Difference 5
Duck is added in the gift section.

Solution:

Batsman hit six and gone retired hurt while the new batsman come to play and get runout for his wicket and the other batsman hit six and made both century and team win..

Solution:

A
D
C
A
B

Solution:

The Lady sitting in the chair has the detector attached to the back of her blouse.

Solution:

Either your read from start or from ends, it will be same