A) \[\frac{3}{2}\]
B) \[\frac{53}{21}\]
C) \[\frac{8}{21}\]
D) None of these
Correct Answer: B
Solution :
(b) \[\frac{8}{7}=\frac{3}{4}\left( K-l \right)\Rightarrow \left( K-1 \right)=\frac{8}{7}\times \frac{4}{3}=\frac{32}{21}\] \[\Rightarrow \]\[K=\frac{32}{21}+1=\frac{53}{21}\] Note: Student is advised to cross ? checkYou need to login to perform this action.
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