Question

how about this one
101, 12, 11, 10, ....

Answer 1

If it was not for the 101, it'd definitely have been 9.

Answer 2

yup

Answer 3

hint: its not a 'conventional' series with a formula for nth term

Answer 4

I think I know this...

Answer 5

is it 5 ? my quess

Answer 6

guess *

Answer 7

in different bases :)

Answer 8

so it should be 1 I believe

Answer 9

yes and the next one is 5 also then 5,5,5.......

Answer 10

yey .... but I only guessed I will like to hear the right soln

Answer 11

101 = 5 in base 2
12 = 5 in base 3
11 = 5 in base 4
10 = 5 in base 5
5 = 5 in base 6

Answer 12

i think asnaseer has it

Answer 13

typo from me above 5 NOT 1

Answer 14

right!

Answer 15

5,5,5,5,...

Answer 16

*nice question, i was thinking of different bases but still could not get this one.

Answer 17

jimmyrep gave me this one

Answer 18

\[\large -\frac{\left(\frac{89(n-1.5)}{|n-1.5|}+\frac{(n-2.5)}{|n-2.5|}+\frac{n-3.5}{|n-3.5|}+5\frac{n-4.5}{|n-4.5|}+106\frac{n-5.5}{|n-5.5|}\right)}{2}\]

i can get; ...,5,-101,-101,-101 :)