Question

5. 12,18,15,15,18, 12,21,?,?
1) 8,25
2) 9,25
3) 8.24
4) 9.24​

Answer 1

Answer:

9.24

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Answer 2

Answer:

Hey mate here's your Answer...

Step-by-step explanation:

This is an alternative series...

1) 12, 15, 18, 21, __(+3)

2) 18, 15, 12, __(-3)

Thus answer is 21+3 = 24

12-3 = 9

Answer is 9, 24

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