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Science CBSE
Class 9
Work and energy
Textbook based HOTS II
58.
Multiple choice question LVIII
Exercise condition:
2
m.
In a hostel, \(5\) room heaters each of \(1000\ W\) operated for \(4\ hours\ per\ day\). If the electricity bill for \(30\ days\) comes out to be \(₹\ 6000\), find the cost of one unit of electricity.
\(₹\ 7\)
\(₹\ 8\)
\(₹\ 9\)
\(₹\ 10\)
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