A) \[2\frac{1}{2}\] min
B) \[3\frac{1}{3}\] min
C) \[1\frac{3}{4}\]min
D) None of these
Correct Answer: C
Solution :
(c) Time taken for last round\[=4-\frac{3}{4}-1\frac{1}{2}\] \[=4-\frac{3}{4}-\frac{3}{2}=\frac{16-3-6}{4}=\frac{7}{4}=1\frac{1}{4}\]You need to login to perform this action.
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