Which of the following is not an $A.P.$?

  • A
    $1, 0, -1, -2, \ldots$
  • B
    $7, 6, 5, 4, \ldots$
  • C
    $1, 0, 1, 0, \ldots$
  • D
    $-10, -9, -8, -7, \ldots$

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Similar Questions

Verify that each of the following is an $AP$,and then write its next three terms.
$\sqrt{3}, 2 \sqrt{3}, 3 \sqrt{3}, \ldots$

For a given $A.P.$,$S_{10} = 50$ and $a = 0.5$. Then,$d = \ldots \ldots \ldots . .$

With respect to the usual notations of an $A.P.$,if $T_{n} = 4$,$d = 2$,and $S_{n} = -14$,find $n$ and $a$.

If the numbers $n-2, 4n-1$ and $5n+2$ are in $AP$,find the value of $n$.

How many terms of the $A.P.$ $5, 8, 11, \dots$ add up to $670$?

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