GMAT

Yes, there are ample resources available for applicants to prepare for GMAT exam and one of the best resources is using the official GMAT books. The GMAT books give detailed answer explanation and directly target the topics that are tested on the exam. Plus they also give practice questions along with full length GMAT exam sample papers. 

Yes, GMAT books are helpful resources to get hands on preparation, practice and work on strenghths and weaknesses closely. You can refer to 1-2 books for GMAT preparation and then look at solving some sample papers as well to get some additional practice.

Some of the trending GMAT books for preparation are as follos:

• Manhattan Prep All the GMAT
• Powerscore Critical Reasoning
• Kaplan GMAT Prep Plus
• GMAT for Dummies
• GMAC GMAT Official Guide
• GMAT Advanced Quant

Yes, definitely GMAT sample papers are accurate for preparation. They give you:

• An analysis of your performance
• Gives you an idea of how the exam will look like on the main day
• Helps you manage your time per question
• Helps you work on your weak areas and strengthen you areas of strength

Yes, those who have some knowledge and feel slightly confident can take a GMAT sample paper before starting their preparation. It will give them insights on topics they should ideally be tackling as and when they prepare for the exam.

On the other hand, those who do not much about the GMAT exam can also take a sample paper to have an understanding of the exam pattern and their weaknesses and strengths. And based on these analysis, make a prep plan and study accordingly.

No, as such there are no previous year's sample papers available for GMAT exam online or offline. There are official resources and some trusted sources that offer sample papers in a book and also diagnotic tests online. Since the GMAT exam is online and also an adaptive test, plus conducted frequently it gets difficult to get hold to previous years GMAT papers.

Yes, you can score high on GMAT after solving sample papers. The reason is that you get hold of the exam pattern and question types easily. It is always better to practice before exam day.

Yes, this can be a coincidence that you find similar pattern or identical questions on the main GMAT exam day as on its practice tests. This is a benefit that applicants must put to good use when they solve multiple sample papers of GMAT exam before the main exam day.

Totally. Solving practice tests is the best way to learn. You get used to the exam format. It shows you your weak spots. Also, sitting for that long is tiring, so it builds stamina.

Maybe. Some schools like UCL might not ask for it. But top ones like LBS usually want it. If you have lots of work experience, they might waive it. Always check the college website.