If eleven plus two equals one, what does nine plus five equal?

I am an odd number. Take away a letter and I become even. What number am I?

In the picture given below, can you find out which digit will take place of the question mark?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

What number divided by 4 is the same as that number minus 4?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?