Sequence Question

[shamusbhoy]

What he is saying is 4 is the multiplication of the next number minus 1.

[Stuart 0366]

Not quite

[maca]

Not quite

sorry but how many 10 year olds could work this one out ?

[forntida]

It could be bulldog

One of our friends came up with this (if you can work it out)

4, 14, 52, 204, 812, 3244, 12972

Just remember 4 (Not allowed to say more...orders from the boss )

That is the only thing I can think of too. Just use the 4 to multiply every number and subtract 4. This gives you;

(4)
14
52
204
812
3244
12972

I don't think that is the answer though. I think there has to be a typo by the teacher.

[Stuart 0366]

sorry but how many 10 year olds could work this one out ?

I would be surprised if any in a normal school could mate

[chroma]

whats the answer?

I wrote it down as i was heading to work and wrote down 206 instead of 204 which gave me the following:

I?(n4-2) I?(n4-4)

In that I is the itteration and N is the preceeding number which gives:

4x4-2 =14
14x4-4 = 52
52x4-2 = 206
206x4-4 = 820
820x4-2 = 3278
3278x4-4 = 13108

And so forth, i was well chuffed with myself till i got home and realised id been foiled by thinking it was 206 instead of 204 and cant fathom what the formula really is

[bvilleuk]

This is a difficult one if the second number in the sequence isn't a typo so here goes:

4, 14, 52, 204

Heres the only Maths Test I know -- see how many YOU can answer!!

-------------------------------------------

CITY OF EAST LOS ANGELES HIGH SCHOOL MATHS PROFICIENCY EXAM
-----------------------------------------------------------

Name: ____________________________

Gang: ____________________________


1/ Johnny has an AK-47 with a 40 round clip. If he misses 6 out of 10
shots and shoots 13 times at each drive-by-shooting, how many
drive-by-shootings can he attend before he has to reload?

2/ Jose has 2 oz of cocaine and sells an 8 ball to Jackson for $320
and 2 grams to Billy for $85 per gram. What is the street value of
the balance of the cocaine if he doesn't cut it?

3/ Refus is pimping for 3 girls. If the price is $65 for each trick,
how many tricks will each girl have to turn in order that Refus can
pay for his $800 per day crack habit?

4/ Jerome wants to cut his 1/2 lb of heroin to make 20% profit. How
many oz of cut will he need?

5/ Willie gets $200 for stealing a BMW, $50 for a Chevy and $100 for a
4X4. If he has stolen 2 BMWs and 3 4X4s, how many Chevys will he
have to steal to make $800?

6/ Raoul is in prison doing 6 years for murder. He got $10000 for the
hit. If his common-law wife is spending $100 per month, how much
money will be left when he gets out of prison, and how many years
will he get for killing the bitch that spent his money?

7/ Hector knocked up 6 girls in his gang. There are 27 girls in the
gang. What percentage of girls in the gang has Hector knocked up?

[Stuart 0366]

Found out that it was a typo like we all thought and the formula is actually x4-4

As expected the kids got it wrong but the teacher didn't mark them on it