Solution:

60.

Explanation:
When you write equation in stright line, you observe consective 2's.
2 + 2 + 2 + 2 + 22 + 2 + 2 + 2 + 22 + 2 x 0 + 2 = 2 x 22 + 8 x 2 + 0 = 44 + 16 + 0 = 60.

Solution:

The two numbers are 4 and 13 whose product is 52 and sum is 17.

Solution:

TIF56

Explanation:
The password is formed as:
T (5th letter of Shruti)
I (5th letter of Arshika)
F(1st letter of Friday)
5(5th day of week)
6(Length of Friday)

Similarly, we will pick the 1st letter for Monday and 3rd letter for Wednesday.

Solution:

2003.

Explanation:
Its a series of prime numbes.

Solution:

The driver is actually the wife and mother.

Solution:

Align the toothpicks to form TEN. Use one toothpick for each of the lines.

Solution:

Six.

There are only five colors, so six socks guarantee that two will be the same color.

Solution:

He should shoot at the ground.

If Kangwa shoots the ground, it is Rafael's turn. Rafael would rather shoot at Ferdinand than Kangwa, because he is better.
If Rafael kills Ferdinand, it is just Kangwa and Rafael left, giving Kangwa a fair chance of winning.
If Rafael does not kill Ferdinand, it is Ferdinand's turn. He would rather shoot at Rafael and will definitely kill him. Even though it is now Kangwa against Ferdinand, Kangwa has a better chance of winning than before.

Solution:

Upon reaching each room, he found out that the window facing the dead body was closed. He had to open the window himself. This tells that there was somebody else with him who closed the window. If he would have committed suicide, at least one window would have been open.

Solution:

-3 -1 1

Explanation:
-3 * 1 * -1 = 3(prime)
-1 - (-3) = 1 -(-1) = 2

Solution:

Shikhar hit a sixer and then got retired hurt.
Suresh Raina came but he got run out after he and Kohli had crossed halfway.
On the next ball, Kohli scored a six and was not out at 100.