Question 31Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12 + 11 more papers

The floor of a rectangular hall has a perimeter 250 meters. If the cost of painting the four walls at the rate of ₹10 per (meter)² is ₹15,000, then the…

The floor of a rectangular hall has a perimeter 250 meters. If the cost of painting the four walls at the rate of ₹10 per (meter)² is ₹15,000, then the height of the hall is
  1. A7 meters
  2. B16 meters
  3. C6 meters
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (C) 6 meters

Explanation

Area of four walls = 15000/10 = 1500 m². Wall area = perimeter × height, so 250 × h = 1500 and h = 6 m.

From BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 31 of BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper. 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.

Asked in 12 papers