Answer:
D - All rational numbers are integers.
Step-by-step explanation:
This is because integers is a subcategory of rational numbers, so there are other rational numbers that aren't integers.
Answer:
671 is the 224th term of the given series
Step-by-step explanation:
The given sequence is
2,5,8,11....
First term that is 2
common difference that is 3
we have to find 224th term
That is n =224
using 

On solving the above equation we get

Hence, 224th term of the given series is 671