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25 Jun 2021, 03:15
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
95% (00:56) correct
5%
(01:14)
wrong
based on 38
sessions
History
Date
Time
Result
Not Attempted Yet
What is the total surface area of a cuboid whose length, breadth and height are 10 cm, 15 cm and 20 cm respectively?
(A) 1000 cm^2
(B) 1100 cm^2
(C) 1200 cm^2
(D) 1300 cm^2
(E) 1400 cm^2
(A) 1000 cm^2
(B) 1100 cm^2
(C) 1200 cm^2
(D) 1300 cm^2
(E) 1400 cm^2
26 Jun 2021, 07:06
Kudos
Bookmarks
Bunuel
Solution :
We are given,
- • length (l) = 10 cm
• breadth (b) = 15 cm
• height (h) = 20 cm
Total surface area of the cuboid = 2(l*b + b*h + l*h)
= 2 (10 * 15 + 15 * 20 + 10 * 20)
= 2 (150 + 300 + 200)
= 2 * 650
= 1300 \(cm^2\)
Hence, the correct answer is Option D.
