Which of the following is *not* an A.P.?... | MCQ 1m | Maths | SuperPadhai

Arithmetic Progressions > Question

MCQ1 markYear: 2020EasyCBSE Class 10

arithmetic-progressionscommon-differenceidentification

Question

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

Solution

1

In option (C):

\frac{7}{3} - \frac{4}{3} = 1

, but

\frac{9}{3} - \frac{7}{3} = \frac{2}{3}

. Since the common difference is not constant, it is not an A.P.

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