One & Only ISO 9001:2008 Certified and the largest academic book publishing company In BANGLADESH. Most innovative, research based successful ACADEMIC and CREATIVE books publisher. The imprints are: LECTURE, SURE SUCCESS, NEWTON and BANGLAPRAKASH. Lecture Publications are not only the founder of Digital era in the Publications sector, but also the first one to introduce Pre Test papers in the SSC Creative Education System. This book is a helping hand to the SSC students and a pioneer to the modern creative education system.