Dear student,

If you can use your mind jn in a new question, then by studying or practicing the previous years papers and important questions will help you lot in engineering mathematics. Maths is all about concepts and thinking and ability to tackle and solve problems.

If you cannot able to solve previous years questions and important questions or get panic by seeing a new question, then just by solving previous years problems and important question will note help you. But it will be useful for the concepts.