Find the appropriate meanings of the phrases in bold (Q: 22-23)
[ঢাবিঃ গ ইউনিট (ব্যবসায় শিক্ষা) ২০১০-২০১১ : 2011]
1. an elephant of white color
2. an elephant of black color
3. a boar
4. a black marketer
5. a very costly and troublesome possession