Solution:

Pawns in the game of chess.

Solution:

13 + 11 + 6 = 30

Explanation
The trick is that you just need to rotate '9' to form '6'.

Solution:

(C)

Solution:

It's circled.

Solution:

On Your lap.

Solution:

0%. as it will be night in 72 hours and of course, there will be no sun

Solution:

5 of clubs.

Explanation:
The 5th number is equal to the sum of first four number (recursively until its value <=13). The suit will be same as of biggest card.
eg Row1:
5 + 7 + 3 + 11 = 26 = 8
Since Maximum value is Jack of hearts, therefore, we will get 8 of hearts

Similarly for the last row
12+13+2+5 = 32 = 5
Since Maximum value is King of a club, therefore, we will get 5 of a club.

Solution:

Z

Explanation:
The numeric value of the first two alphabets adds up to the numeric value of the last alphabet.

Solution:

Treasure Map Is Hidden Inside The Hanging Room Floor.

Explanation.
Just reverse the text "roolF mooR gnignaH ehT edisnI neddiH sI paM erusaerT".

Solution:

12 Angry Men

Explanation:
12 (dozen = 12)
Angry (Angry Bed)
Men

Solution:

LION.

Explanation:
It can be done as shown in the picture below

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:

Need For Speed.

Explanation:
Need (needle - le = need)
Four (High Figh = Figh = Five - 1 = four)
Speed (man running)

Solution:

TH

Explanation:
1st 2nd 3rd 4th 5th

Solution:

5th Bird.

Explanation:
The mistakes are marked in red.

Solution:

7 years.

Explanation:
Kylian * Thorgan * Eden = 175
and only value that fits in above equation is:
Kylian = Thorgan = 5years
Eden = 7 years

Solution:

Future.

Solution:

It's marked as shown below.

Solution:

Parents.

Solution:

Just release the ball at the top of an incline and the one that reaches bottom will be the solid ball.

Explanation:
The solid ball has a smaller moment of inertia and hence less mechanical energy is spent on rotating the ball and therefore it will reach earlier.