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

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

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

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

I have Rs.50 and I spend it in the way as below.