where can i get few model questions for practicing service tax and vat??? 

m giving ipcc dis may.i couldn't find questions on VAT and SERVICE TAX anywhere..i have girish ahuja sir's book but he has given only 7-8 ques and they r also not like those asked in exam .so, i need some good questions on recent services and numericals of SEVICE TAX AND VAT. FOR COMPLETE REVISION..

CAN SOMEONE PLZZ PROVIDE ME THE QUESTIONS OR  THE LINK WHERE I CAN DOWLOAD THEM FROM ??  

PLZZZ PLZZ PLZZ REPLY ..VERY URGENT