Which Number is the odd one out?

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

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Find the missing number in the sequence below:

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?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you complete the sequence?

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

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

If two's company, and three's a crowd, then whats four and five ?