added example problem wordings.
added example problem wordings.

chaffra/sympy,madan96/sympy,souravsingh/sympy,madan96/sympy,chaffra/sympy,jaimahajan1997/sympy,aktech/sympy,aktech/sympy,postvakje/sympy,yashsharan/sympy,postvakje/sympy,yashsharan/sympy,skidzo/sympy,souravsingh/sympy,aktech/sympy,madan96/sympy,sampadsaha5/sympy,kaushik94/sympy,chaffra/sympy,kaushik94/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,postvakje/sympy,yashsharan/sympy,skidzo/sympy,kaushik94/sympy,sampadsaha5/sympy,souravsingh/sympy,jaimahajan1997/sympy,skidzo/sympy