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Question
A boy noted the readings on his home’s electricity meter on Sunday at 8 AM and again on Monday at 8 AM (see Figures below).
(a) What was the meter reading on Sunday ?
(b) What was the meter reading on Monday ?
(c) How many units of electricity have been used ?
(d) In how much time these units have been used ?
(e) If the rate is Rs. 5 per unit, what is the cost of electricity used during this time ?
A boy noted the readings on his home’s electricity meter on Sunday at 8 AM and again on Monday at 8 AM (see Figures below).
(a) What was the meter reading on Sunday ?
(b) What was the meter reading on Monday ?
(c) How many units of electricity have been used ?
(d) In how much time these units have been used ?
(e) If the rate is Rs. 5 per unit, what is the cost of electricity used during this time ?
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Solution
a)Reading on Sunday = 42919kwh(less reading)
b)Reading on Monday = 42935kwh(more reading)
(c)total units consumed = 42935-42919 = 16 units
(d) Since he takes readings at 8 am on Sunday and 8 am on Monday, hence the units are consumed in 24 Hrs
(e)Cost of electricity used in this time = 
a)Reading on Sunday = 42919kwh(less reading)
b)Reading on Monday = 42935kwh(more reading)
(c)total units consumed = 42935-42919 = 16 units
(d) Since he takes readings at 8 am on Sunday and 8 am on Monday, hence the units are consumed in 24 Hrs
(e)Cost of electricity used in this time =
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