Multiple choice

Find the missing term in the following number series. $-729 -721 -596 -253 ?$

  1. $402$
  2. $425$
  3. $512$
  4. $625$

  5. None of these
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The pattern involves cubes of consecutive integers from 9 downwards: -9³ = -729, then -729 + 2³ = -721, -721 + 5³ = -596 (since -721 + 125 = -596), -596 + 7³ = -253 (since -596 + 343 = -253). Following this pattern with 8³ = 512: -253 + 512 = 259. Since 259 is not among options A-D, option E is correct.

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