Puzzle 68 - BLACK AND WHITE MATCHMAKER (Practice puzzle for LMI test)

Finally i thought to make the Black and white Matchmaker. Although i think the puzzles i created may be of easy level but good enough for practice. Njoy!! solving it. Here goes the rules. :) :)
Description :-
You are given 6 grids and 5 puzzletypes. Match each grid with a different puzzletypes and solve them. One grid will not be used.

Masyu
Draw a single loop that passes every cell with a circle.
In cells with black circles, the loop must make a 90-degree turn and goes straight in neighboring cells.
In cells with white circles, the loop must go straight and makes a 90-degree turn in at least one of neighboring cells.
Black & white
Fill the grid with black or white circles so that all of the circles with same color will be connected vertically or horizontally.
Circles with same color can't form a 2x2 square.
Sun & Moon
Draw a single loop that passes every cell.
The loop can't make turns between cells with circles of the same color,
and makes just one 90-degree turn between cells with circles of different colors.
Not alone
Fill the grid with black or white circles so that each row or column has the same amount of black circles and white circles.
One circle of a color can't be sandwitched by circles of the other color virtically or holizontally.
An array of two or more circles of a same color may be sandwitched by circles of the other color virtically or holizontally.
Signal loop
Draw a single loop that passes every cell except cells with black circles.
The loop goes straight in cells with white circles.

Difficulty :- Between Easy and Medium!!
Grids :-

   

                

      

    

Unique Solution : - Click here.