About the exam This exam is conducting by border security force for various Trades at the post of Constable according to their Trades. Total number of post were 1763 in which 1761 posts for men and 2 posts for females. These posts are under levels of 7th pay Commission. The Trades for these posts are cobbler, tailor, Carpenter, cook, wassermann, barer, etc. About the book This book is compiled by our experienced authors to fulfil all of your requirements. In the short period of time, your have to answer more questions in examination hall. For this you have to prepare with best efforts. This practice book have 20 practices sets which are complied according to the latest syllabus. Questions of Arithmetic are solved with alternate solutions as well as all the solutions are prepared by easy and convenient method. Due to this your will be able to understand them easily. We are very confident that the help of this book There will be more specific skills and more confidence in you to get success in the exam.