Complete the table series riddle by finding the number that can replace "??".

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Buy me, smell me or deliver me, I do not change.

Who am I?

10+10 and 11+11 can give you the same answer.

Explain how?

What goes up but never comes down?

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?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?