6. The monthly electricity bill in a hostel for
lighting 22 bulbs each of 100 watt for 6 hours
daily is 3520. Then the amount of the bill when
30 bulbs each of 100 watt are lighted for 8 hours
daily is
(a) 3200
(b) 4800
(c) 5800
(d) 6400
Answers
Answered by
1
Answer:
ur answer is c
Step-by-step explanation:
hope it's helps you to
Answered by
0
Step-by-step explanation:
The cost of lighting 22 bulbs for 6 hours daily =Rs.3520
∴ The cost of lighting 1 bulb for 1 hour daily =Rs.
22×6
3520
∴ The cost of lighting 30 bulbs for 8 hours daily =Rs.
22×6
3520×30×8
=Rs.6400.
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