A) 46 min
B) 44 min
C) 55 min
D) 48 min
Correct Answer: B
Solution :
Total paid money per month\[=Rs.\,\,145\]. She get money on each extra mins = 75 paise\[=Rs.\,\,\frac{75}{100}=Rs.\,\,\frac{3}{4}\] But, the received money by\[=\text{ }Rs.\,\,178\] \[\therefore \] money get in each extra mins in a month \[=Rs.(178-145)=33\] \[\therefore \]Rs. \[\frac{3}{4}\]get money in 1 mins. \[\therefore \]Rs. 33 get money in \[\frac{33\times 1\times 4}{3}=44\,\,\min \]
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