Solution:

Pink gift box.

Solution:

The password is U472BMT.

Read aloud the line and you will sound something like "U Four Seven 2 B M T".

Solution:

888 + 88 + 8 + 8 + 8 = 1000

Solution:

Hockey Stick $49.50 & ball $0.50

Solution:

Hhe hung herself using big Ice slabs , which are now now melted and hence puddle of water.

Solution:

20
Just count the nines in the numbers: 6, 16, 26, 36, 46, 56, 76, 86, 96, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69.
Note: 66 contains TWO nines

Solution:

To do it, the marbles must be arranged as the vertices of an octahedron. If you are unsure, check the image below.

Solution:

Michelangelo juggles the diamonds across while crossing the bridge.

Solution:

The Password.

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

Solution:

See the figure for the answer. Wasn't it a bit tricky?

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.