Typically how many partitions we can create in Linux ?

Well, Its depends on disks type like GPT /MBR disks

With GPT we can create upto 128 partitions wheres with MBR its 4 only .
max size we can create in MBR is 2TB whereas with GPT we dont have size limit .

MBR is master boot record which is default disk which uses  fdisk
GPT  is  gdisk

group parition table