Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Why 1729 is a magic number? Answer Logically.

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What happened when the wheel was invented?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Keyboard words are not in alphabetical order, Why?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?