Question

7, 20, 59, 176, 527, ?
what is the next number ​

Answer 1

Answer:

1580

Step-by-step explanation:

(7*3) - 1 = 20

(20*3)-1 = 59

(59*3) - 1 = 176

.....

(527*3) - 1 = 1580

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Answer 2

Answer:

The series is x3-1

7 x 3= 21-1= 20

20 x 3= 60-1 = 59

59 x 3= 177-1 = 176

176 x 3= 528-1 = 527

527 x 3= 1581-1 = 1580

So the answer is 1580

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