What is wrong in the below Picture?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What number divided by 4 is the same as that number minus 4?

How do you go from 98 to 720 using just one letter?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

Why do we preferably have round manhole covers and not square ones?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

Which wheel of car does not rotate when you turn your car right?