If the electric consumption of your house is $20 k W h$ in one day and the cost of electricity is $R s 4$ per unit, find out how much electricity bill you will have to pay for one month( $30 d a y s$ ).

$R s .800$

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$R s .1200$

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$R s .2400$

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$R s .3600$

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Solution

The correct option is C
$R s .2400$

$1 k W h$ is the 1 unit of electrical energy consumed.

Given:
Units consumed in $1 d a y$ = $20 k W h$ = $20 u n i t s$

$∴$ Units consumed in $o n e m o n t h$ = $30 \times 20 u n i t s = 600 u n i t s$

Cost per unit = $R s . 4$

$∴$ Cost for $600 u n i t s$ =
$600 u n i t s \times R s .4 \frac{1}{u n i t} = R s . 2400$
Hence, electricity bill for $1 m o n t h$ is $R s . 2400$

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If the electric consumption of your house is 20 kWh in one day and the cost of electricity is Rs 4 per unit, find out how much electricity bill you will have to pay for one month(30 days).

If the electric consumption of your house is $20 k W h$ in one day and the cost of electricity is $R s 4$ per unit, find out how much electricity bill you will have to pay for one month( $30 d a y s$ ).