Which Burger Is Different in below image?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

You can hear me, but you can't touch or see me.

What am I?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you count the number of triangles in the picture below?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?