Multiple choice

The cost of painting a cube of edge length 5 m at the rate of Rs. 20 per sq. m is

  1. Rs. 300

  2. Rs. 1200

  3. Rs. 3000

  4. Rs. 30000

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total surface area of the cube = 6 x 5 m x 5 m = 150 sq. m Therefore, cost of painting the cube = Rs. (20 x 150) = Rs. 3000

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