Why is Saturday stronger than Monday?

You can see it everyday, But cannot touch it at will. What is it?

Can you find out which options fits best with the missing column?

What number should come in place of the question mark below?

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

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

How many triangles are there in the picture below?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Tarang football website was hacked by one of the players. Jack, the coach of Tarang has pointed out five players as the possible hacker.
Each suspected player made three statements from each suspected player and out of which two are true and one is false.

Joseph
A) I have not hacked the website.
B) I know nothing about hacking.
C) John did it.

Hazard
A) I have not hacked the website.
B) The website was attacked by one of the players.
C) I hate Shelly

Remy
A) I have not hacked the website.
B) I have never seen Oscar in my entire life.
C) I am sure John did it.

John
A) I have not hacked the website.
B) I am sure Oscar did it.
C) Joseph was lying when he said he did it.

Oscar
A) I have not hacked the website.
B) I am sure Hazard did it.
C) I used to be friend with Remy.

So who hacked the website?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?