I have writtena post on how to start gmat preperations for the same. (link in my signature)
Also, looks like you are lucky enough to study at office! You can target one chapter for a day and do the theory at office in morning and half of the daytime and then do problems on the other half of the day.
Also, you can check out my debrief to keep yourself motivated. (link in signature)
you must believe
How to start GMAT preparations?
How to Improve Quant Score?
gmatclub topic tags
Check out my GMAT debrief
Thursdays with Ron link
Looking for a Quant tutor? Check out my post for the same!
Combined Formula Sheet :
Number Properties || Word Problems and PnC || Equations, Inequalities || Geometry
How to Solve :
Statistics || Reflection of a line || Remainder Problems