If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What does Alexander the Great and Winnie the Pooh have in common?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?