Question

1,6,15,___,45,66,9 find the missing

Answer 1

Answer:

28 is the answer..

Step-by-step explanation:

because

1× 1= 1

3×2= 6

5 into 3 equals to 15

7 into 4 equals to 28

9 into 5 equals to 45

11 into 6 equals to 66

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