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If l:m:n=1:2:4, then sqrt (5l^2+ m^2+n^2...

If l:m:n=1:2:4, then `sqrt (5l^2+ m^2+n^2)` is equal to :
यदि l:m:n=1:2:4 है, तो `sqrt (5l^2+ m^2+n^2)` का मान किसके बराबर है ?

A

5

B

2q

C

5p

D

4r

Text Solution

Verified by Experts

The correct Answer is:
C
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