In a set of 30 shirts, 17 are white and the rest are black. 4 white and 5 black shirts are tagged as ‘PARTY WEAR’. If a shirt is chosen at random from this set, the possibility of choosing a black shirt or a ‘PARTY WEAR’ shirt is
A. \(\frac{11}{15}\)
B. \(\frac{13}{30}\)
C. \(\frac{9}{13}\)
D. \(\frac{17}{30}\)
Answer:D
In a set of 30 shirts, 17 are white and the rest are black. 4 white and 5 black shirts are tagged as ‘PARTY WEAR’. If a shirt is chosen at random from this set, the possibility of choosing a black shirt or a ‘PARTY WEAR’ shirt is
A. \(\frac{11}{15}\) B. \(\frac{13}{30}\) C. \(\frac{9}{13}\) D. \(\frac{17}{30}\)