Which Burger Is Different in below image?

Buy me, smell me or deliver me, I do not change.

Who am I?

What is so fragile that saying its name breaks it?

What four weights can be used to balance from 1 to 30 pounds?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

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?

When is the top of a mountain similar to a savings account?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?