Though it is difficult to understand if a girl likes you or not, still it is not impossible to understand them and their feelings. All you got to do is catch the signs that she throws at you, hoping that you will atleast pick up one of them and understand what they feel for you. Here are those signs:

1) She plays with her hair when she talks to you.
2) She will laugh out too loud at your lame jokes.
3) She casually touches you.
4) She is extra sweet and fun with you.
5) She acts to be shy with you.
6) She smiles at you without any reason.
7) She stares at you when you are not looking.
8) She clicks a lot of pictures with you.
9) She gives you a 'casual' hug and a kiss on the cheek.
10) She plans to go out with you alone.
11) She happens to be where you are 'by chance'.
12) She's too insecure when it comes to you.
13) She tells you that she likes you.
14) She's there for you whenever you need her and tries to help you in whatever way possible.
15) She's most happy when she's with you.