Answer:
Option a) is correct.
Step-by-step explanation:
we have to choose the best definition for the given term i.e sequence.
As, a sequence is an enumerated collection of objects in which repetitions are allowed. A sequence is a set of numbers, called terms, arranged in some particular order. Like a set, it contains members
A sequence is an ordered list of numbers.
Sequence is an ordered list of numbers and series is the sum of a list of numbers.
Example: A sequence of odd natural number
1,3,5,7,....
Hence, option a)
A sequence is an arrangement of quantities whose positions are based upon the natural numbers
