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Q: What is the next logical number in the sequence 10 20 30 20?

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5

10

5

10

22

15

The next number in the sequence is 480

5+5 = 10 10+5 = 15 15-5 = 15 10+5 = 15

The next number in the sequence is 27.

The next number in the sequence is 27.

10

If the sequence is determined by 100 - 70 = 30, then the next number is 10.

-5

10

1, you are taking away 5, 4, 3, 2, 1

5

2030

0.1

10 the answer is 8 as according to the previous sequence it is difference of 2 than 1 than2 and again 1 now the difference of two will make it 8

For an integral sequence the next number is 6 (add 5 subtract 7 pattern).

Each number is multiplied by negative 2 to get the next number. 5 x -2 = -10 -10 x -2 = 20 20 x -2 = -40 -40x -2 = 80 So the next logical number in the series 5 10 20 -40 would be 80.

Assuming the sequence is 10 30 90 (hard to tell without spaces), the next number is probably 270 (multiply by 3).

the answer should be 5

10 is one possibility.

127.