26. for the pattern: add 10, subtract 5, add 10, subtract 5, ...
the series is given as x+10-5
so here
16+10= 26-5=21+10=31-5=26
so next no. is 26
26
26
26
the answer will be 21
Well, darling, it looks like we're playing the guessing game. The next number is 15. How did I figure that out, you ask? Well, I just added the differences between each number and found the pattern. Easy peasy lemon squeezy.
Let the number be 'm' & 'n' Hence Product ; mn = 80 Sum ; m + n = 21 m = 21 - n Substitute (21 - n) n = 80 21n - n^2 = 80 n^2 - 21 n + 80 = 0 It is now in quadratic form to factor. ( n - 16)(n - 5) = 0 Hence the numbers are 5 & 16
it would be 21. I think the answer is -22. Because -16 + -21= -37 + 15= -22
21 over 10 as a mixed number is 21/10
24
24, they are going up in 3's, 13, 16, 19 and 18, 21 so next number is 24.
21 - each number in the series increases by the series 1,2,3,4,5.... Whereby 6 and 7 are separated by 1, 7 and 9 are separated by 2, 9 and 12 are separated by 3, 12 and 16 are separated by 4, so the next in the series would be 21 (16 and 21 are separated by 5).
16 to 26 (+10) 26 to 21 (-5) 21 to 31 (+10) 31 (-5) = 26 26
16+10= 26 26-5= 21 21+10= 31 31-5= 26 The answer is 26
16+10=26 26-5=21 21+10=31 31-5=26 26+10=36
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.
Oh, dude, let me put on my math hat for a sec. So, if we look at the pattern here, it's like adding 5, then subtracting 2, then adding 5 again, subtracting 2... you get the drift. So, the next number would be 24, because we just keep playing this fun little game of addition and subtraction. Math can be a real rollercoaster, huh?
16 21 22 29
21
24 for each number you add 5 and then subtract 2. 19 plus 5 is 24.
The next number is -21