A wheel makes 48 revolutions in 3 seconds.
The number of revolutions in 30 seconds
is :
(1) 480
(3) 100
(2) 300
(4) 360
please answer me
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A wheel makes 48 revolutions in 3 seconds.
The number of revolutions in 30 seconds
is :
(1) 480
(3) 100
(2) 300
(4) 360
please answer me
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