21. If p, q, r and s are in A.P. then r-qis

(a) s-P

O (b) s-a

Ο Ο Ο Ο

O (c) S-1

0 (d) none of these

# 21. If p, q, r and s are in A.P. then r-qis

### 1 thought on “21. If p, q, r and s are in A.P. then r-qis<br />(a) s-P<br />O (b) s-a<br />Ο Ο Ο Ο<br />O (c) S-1<br />0 (d) none of these”

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Answer:d)none of these hope it helped you