Don't always think about 100% placements as its never ever 100% guaranteed.

It largely depends upon YOU, your interest, your skills, your knowledge, your college.
There are many decent colleges in Noida for MBA.

Namely,
Sharda University
Galgotia University
Greater Noida Institute of Technology
Indus Business Academy

You can check the rating, ranking as well along with the reviews and fees structure in the link below:

MBA Colleges in Noida

Not only CAT, but most of the colleges also take through MAT, CMAT, XAT in common.

Applications are on for CAT and XAT.

You can check the placement reports below for
Sharda university
Galgotia Placements

On an average you can expect a good placement of approx 5-7 lakhs if you are good in skills acquired, your caliber and the company you get placed in.

All the best.