A) 20 cm
B) 50 cm
C) 40 cm
D) 60 cm
Correct Answer: C
Solution :
\[\frac{P}{Q}=\frac{{{l}_{1}}}{100-{{l}_{1}}}\] or \[\frac{2}{3}=\frac{{{l}_{1}}}{100-{{l}_{1}}}\] or \[5{{l}_{1}}=200\] or \[{{l}_{1}}=40\,cm\]You need to login to perform this action.
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