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