What is wrong in the below Picture?

Before Mount Everest was discovered, what was the highest mountain in the world?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

I am the fastest animal but cannot climb the tree. What am I?

Can you solve the photo plexer logic ?

Find the next number in the sequence

5 12 24 36 ?

What does this below rebus puzzle mean?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

You can see three almost identical images below. Can you spot the odd one out from them?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?