Spot 5 differences in two Christmas tree below:

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

How many triangles are there on the puzzle below?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

What does the below mathematical rebus mean?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

What is full of holes but still holds water?