Multiple choice question LVIII — task. Science CBSE, Class 9.

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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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