Fill in the Blanks The total number of ways in which six ‘+’ and four ‘–’ signs can be arranged in a line such that no two signs ‘–’ occur together is ______
. Number of ways of arrangement of six+signs is 1.
In the 7 gaps created, 4 are to be chosen for '-' signs in ways.
These signs can only be arranged in 1 way as they are identical.
Total number of ways ways