Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Why Wine Glass Stem is so long?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Who can jump higher than a Mountain?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

What is the next shape from answers A, B, C, and D figure?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?