arohi completes her homework in 1 hr 15mins and sushma completes her homework in 2 hrs 45 mins.who completes the homework fast and by how much time
arohi,90 secs
sushma, 540 secs
sushma, 1140 secs
arohi, 5400 secs
A
sushma, 540 secs
B
sushma, 1140 secs
C
arohi, 5400 secs
D
arohi,90 secs
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