### Brain Teasers

# -2, 4, -12, 48, -240, ...

-2, 4, -12, 48, -240, ...

What is the next number in the above series?

What is the next number in the above series?

### Answer

1440. The first number is multiplied by a negative 2, the second by a negative 3, the third by a negative 4 and so on.Hide Answer Show Answer

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## Comments

good teaser.

great teaser, thanks

i didnt get it

I was able to get it, but I reallu wish I could of had a calculator to figure out the answer. I understood the pattern

great teaser, very cool

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