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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​

By Margaret

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​

About the author
Margaret

tano
2) Figure out the rule from the given example and write it using letters.
T
12 (10 + 2) = (12 x 10) + (12 x 2)

Q.32.11 3 kg of sugar contains 9 x 10° crystals. How many sugar crystals
are in 1.2kg
​

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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