What happened when the wheel was invented?

Identify the 10 differences between the two given pictures.

I look at you, you look at me I raise my right, you raise your left. What am I?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

What goes up but never comes down?

What begins with T, ends with T, and has T in it?

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

Hint: The grid reads the same across as down.

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Why is 6 afraid of 7?