Binu studiesfor 4 1/5hours daily. He devote 3 1/4 hours of her time for science and mathematics . How much time does she devote for other subjects
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total time for study = 41/5
time for maths n science= 31/4
time for rest subjects= (41/5)-(31/4)
=(164-155)/20
=9/20
time for maths n science= 31/4
time for rest subjects= (41/5)-(31/4)
=(164-155)/20
=9/20
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