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Q: What number comes next in sequence 1 3 6 10 15 21 28?

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5

The next number in the sequence would be 25.

21

311311122110

120

Consecutive terms in the sequence are found by dividing by 2 and adding 2. Therefore, after the number 10 comes 10/2 + 2 = 7.

12

The next number in the sequence is 480

27.

266

3

5

10

The next number in the sequence is 27.

The next number in the sequence is 27.

next in the sequence: 10,20,30,20

75. The sequence is:- multiply by three, divide by two, add one.

The next number is 27. Nice puzzle! The reason is on discussion page, for those who are still working on it.

10

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

456789

This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.

-5

10

One sequence could be -4, x10, -4, x10, ect.. So the sequence will be 10, 6, 60, 56, 560, 556, 5560, ect..