What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Can you decipher the below rebus?

PBLUESAISNUERSES

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

Find the last number in the series below:

voN luJ yaM raM ---

Why is the Hole below a Lock?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

What does below rebus means ?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?