A glass Jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?

• A.  \[\frac{7}{10}\]                                 
• B.         \[\frac{3}{10}\]         
• C.         \[\frac{4}{5}\]                                   
• D.         \[\frac{2}{5}\]