Question

p varies inversly as v if v=30, when p= 84 find v when p=63​

Answer 1

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If p varies inversely as q, and p=7 when q=3, find p when q=2

3

1

.

Easy

Solution

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As p varies inversely as q then let,

p=

q

k

, where k is a constant

As p=7 and q=3 satisfies so,

7=

3

k

k=21

∴p=

q

21

For q=

3

7

p=

3

7

21

=3×3=9

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