Schaum's 3,000 Solved Problems in Calculus: Notes from a Trap Feminist

If you already know the concepts of Calculus, and wanted to gain speed in solving the problem, this is one of the best book, which comes with answers. Will be useful for all competitive exams, where calculus is involved.

They are not elaborately solved problems. Moreover it doesn't have difficulty level with solutions. For the money it is charged it is of no use.