I have eight fingers and two thumbs but I do not live. What Am I?

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

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Why are all black people so quick ?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

How many triangles are there in the picture below?

Why is a river so rich ?