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13 18 16 21 19? After This It's 24 22 27 25 30 28 33 and 31.

They First Added 5 To A Number And Subtracted It With 2 And did it again and again for answer!!!

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24 18 + 3 = 21 + 3 = 24

Q: The next number in the series 13 18 16 21 19?

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24, they are going up in 3's, 13, 16, 19 and 18, 21 so next number is 24.

The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.

13 18 16 21 19 24 22 27 25 ... . This series consists of adding 5 to the first number and subtracting 2 from the next number, repeating the sequence in that order.

The rule is: add 5, subtract 2, add 5, subtract 2, . . . Next number is 24.

The series 1 6 10 13 15 (1+5=6; 6+4=10, 10+3=13; 13+2=15) is completed by 15+1=16. The answer is 16.

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24

24, they are going up in 3's, 13, 16, 19 and 18, 21 so next number is 24.

7

The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.

49 (it is an arithmetic series that adds 5 then 7 then 9 then 11 then 13)

13 18 16 21 19 24 22 27 25 ... . This series consists of adding 5 to the first number and subtracting 2 from the next number, repeating the sequence in that order.

The rule is: add 5, subtract 2, add 5, subtract 2, . . . Next number is 24.

The series 1 6 10 13 15 (1+5=6; 6+4=10, 10+3=13; 13+2=15) is completed by 15+1=16. The answer is 16.

This looks like a (subtract 5; add 2) series, so the next numbers are: 2, 4, -1, 1

24 for each number you add 5 and then subtract 2. 19 plus 5 is 24.

This is the series of square numbers, (16= 4*4). The next number is 5*5=25.

256 256