An electric refrigerator rated 400 W operates 8 hours/day. What is the cost of the energy to operate it for 30 days at ₹3.00 per kW h?
Show answerHide answer
Correct answer: (C) ₹288
From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 3 (4:30 PM)
This is question 93 of RRB JE CBT-1 PYQ 18 Dec 2024, 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.