Question 8Asked in RRB JE CBT-1, 20 Feb 2026, Shift 3 (4:30 PM)

An electric refrigerator has a power rating of 500 W and is used for 6 hours each day. If

An electric refrigerator has a power rating of 500 W and is used for 6 hours each day. If the cost of electrical energy is ₹4.00 per kilowatt-hour, what will be the total cost of operating the refrigerator for 30 days?
  1. A₹360
  2. B₹240
  3. C₹180
  4. D₹300
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Correct answer: (A) ₹360

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM)

This is question 8 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.