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26/07/2021 2:44 pm
Topic starter
A boy noted the readings on his home’s electricity meter on Sunday at 8 AM and again on Monday at 8 AM (see figure 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?
1 Answer
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26/07/2021 2:45 pm
(a) 42919
(b) 42935
(c) 42935 - 42919
= 16 units
(d) 24 hours
(e) Cost of 1 unit = Rs. 5
Cost of 16 units = 16 × 5
= Rs. 80