In the question given below, three dots are placed in the problem figure (X). Which of the given options is similar in terms of arrangement marked by the dots in figure (X).
a
If you look closely at the given fig. X, the dots represent three common areas, which are shown below.
1. Area common to the square & triangle. [marked by black shaded region in the below figure]
The question requires us to choose among the given options, the one that is similar in terms of arrangement marked by the dots in figure (X)..
Hence (a) is the correct option.