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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS II
56.
Multiple choice question LVI
Exercise condition:
2
m.
In a factory \(10\) bulbs of \(50\ watts\), each and \(5\) fans of \(70\ watts\) each operate for \(12\ hours\) daily. Calculate the units of electricity consumed and also find the total expenditure if \(1\ unit\) costs \(Rs.\ 2\).
\(Rs.\ 10.20\)
\(Rs.\ 20.40\)
\(Rs.\ 40.80\)
\(Rs.\ 4.20\)
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