A) \[\frac{21}{40}m\]
B) \[\frac{19}{40}m\]
C) \[\frac{7}{20}m\]
D) \[\frac{7}{10}m\]
Correct Answer: A
Solution :
Fraction of cloth left\[=1-\frac{2}{5}=\frac{3}{5}\] \[\therefore \]Length of the cloth left \[=\frac{3}{5}\times \frac{7}{8}m=\frac{21}{40}m\]You need to login to perform this action.
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