Complete the sequence.

 

There are eight rules which when applied to the sequence will transform it to one of the four options shown below. Identify the correct option.

$\mathrm{AB}$ Delete the last character
$\mathrm{BC}$ Replace the third character with the next in the alphabet
$\mathrm{CD}$ Insert the letter $\mathrm{P}$ between the third and fourth characters
$\mathrm{DE}$ Exchange the first and last characters
$\mathrm{EF}$ Replace the second character with the previous letter in the alphabet
$\mathrm{FG}$ Replace the fifth character with the next in the alphabet.
$\mathrm{GH}$ Reverse the whole sequence of letters
$\mathrm{HI}$ Delete the third character

$\mathrm{CNPTTBM}$ $=\mathrm{H} \mathrm{I}+\mathrm{E} \mathrm{F}+\mathrm{D} \mathrm{E}=$

 Cancel all shading

 Shade the second and last shapes

 Exchange the second and fourth shapes

 Reverse the sequence of shapes

 Change all circles to shaded squares

 Replace all shaped shapes with unshaded triangles (with the apex at the top)

 Replace the first shape with a shaded triangle with its apex pointing downwards

 Change the middle shape to an unshaded circle

Which shield below has most in common with the shield above?

To which hexagon below can a dot be added so that it then meets the same conditions as in the hexagon above?

To which hexagon below can a dot be added so that it then meets the same conditions as in the hexagon above?

 is to:

as:  is to:

Which circle below should be placed in the large circle above?

Which is the missing box?