Solution:

30

Explanation:
It's very difficult to count an actual number of balls but it can be counted mathematically as illustrated below.

Balls in lowest level most level, say level 1 : 4 * 4 = 16
Level2 => 3 * 3 = 9
Level3 => 2 * 2 = 4
Leve4 => 1

Summing up 16+9+4+1 = 30.

Solution:

11.3135 + 9.3115+ 9.375

Solution:

The thief is the Pakistani guy. It is because the flag of Japan looks same when upside down and no one can tell if it is upside down. So, he was telling a lie.

Solution:

I Am stone.

Explanation:
Stone is 5 letter word. if remove word one(not 1 letter) we will get st.

Solution:

It is the wind.

Solution:

6

Solution:

27

Explanation:
16/2 = 9
8*3 = 24
24/2 = 12
12*3 = 36
36/2 = 18
18*3 = 54
54/2 = 27
27*3 = 81

Solution:

30%

Explanation:
√9%
=> √9/√100
=> 3/10
=> 30/100
=> 30%

Solution:

1. Tiger doesn't have horns.
2. Number of squares in chess board are 49(7 x 7) instead of 64(8 x 8)
3. Sun do not rise at night (1pm)
4. The dog is having a tail like a cat.
5. Fish tank contains butterflies
6. The boy wearing shirt one with half and one with full.
7. Check guitar top, its like of Sitar
8. One window opens inside and another outside.
9. The man in the painting is wearing just one shoe.

Solution:

J = 1
O = 9
I = 6
N = 8
T = 3
(1+9+6+8+3)*(1+9+6+8+3)*(1+9+6+8+3) = 19683.