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5 votes
5 votes
WHAT is the next sequence

WHAT is the next sequence-example-1
User Rodrigo Salvo
by
2.7k points

2 Answers

15 votes
15 votes

Answer:

21

Explanation:

a1=1

a2=a1+2

a3=a2+3

a4=a3+4

...

a(n)=a(n-1)+n

User Mohkhan
by
2.9k points
22 votes
22 votes

Answer: its 21

Explanation:

the sequence goes up by 1 each time

User Jamie Fearon
by
2.9k points