No, it is incorrect. The correct terms are just 'quicker' or 'more quickly'.
That is the correct spelling of "quicker" (faster).
Our oldest cat is faster than our youngest dog **** "Quicker" is OK too, but leave out the "more." "Quicker" means "more quick."
Yes, but not formally. It can be an adverb when it means "more quickly" which is the grammatically correct form.
It makes your more tired and you'll probably fall asleep a lot quicker!!
They are both correct. Note: Cambridge uses British English.
It would be more correct to say, someone who.
More level.
Both are correct and used interchangeably.
It may be grammatically correct, but it is a logical absurdity. more/fewer is about counting more/less is about amount … so… no, it is not correct.
Both "you and he" and "he and you" are grammatically correct, but "you and he" is more commonly used in English.
No. The correct phrasing is "more stupid."
Yes, six feet fall is correct. For measurements, some places use the singular form. For example, six foot tall, or 12 stone in weight. In standard US English, the plural forms are more commonly used.