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If p : q : r=1:2:4,\ t h e n\ sqrt(5p...

If `p : q : r=1:2:4,\ t h e n\ sqrt(5p^2+q^2+r^2)` is equal to `5` b. `2q` c. `5p` d. `4r`

A

5

B

2q

C

5p

D

4r

Text Solution

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The correct Answer is:
C
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