Agree magorkhe bro...tei aba brain ready garaauna ko laagi class lim ki kunai bhanera ho...I have been using SAS since last couple years but want to get certified...daily use garne SAS ra cerify huna ko laagi padhne SAS ma farak raicha k..like you said, i found most SAS questions tricky....so aba ma brain chai ready banauchhu (per your suggestion Gorkhe bro) but still kunai online classes chha bhane sahayog garnus na ho...pahilai dhanyabaad takryauchhu ma...