Which Number is the odd one out?

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

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.