hey Mister mind ur language.... atleast u mst not nudge people abt "i have written so-so....gimme a salute" wats that....articles tak theek tha... but now toh even if any guy solve a query...he nudge u to rate wat does it proves...? he wants rate....rate k liye vo kaisa bi answer de dega...chahe sahi ho ya galat and u cannot be like himanshu allrite???? GOIIT pe doubts clear nahi hote (atleast PCM) k toh nahi... book se dekh k anyone can answer..... maximum answers are like that BECAUSE...1 UNSOLVED QUERY IN A BOOK...IS SOLVED IN SOME OTHER...