A board has 16 squares as shown in the figure :
Out of these 16 squares, two squares are chosen at random. The probability that they have no side in common is :
1
\(\frac{4}{5}\)
2
\(\frac{7}{10}\)
3
\(\frac{3}{5}\)
4
\(\frac{23}{30}\)
A board has 16 squares as shown in the figure :
Out of these 16 squares, two squares are chosen at random. The probability that they have no side in common is :