ABC26GN4857 · Volume and Surface Area
Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:
A cube of length 1 cm is taken out from a cube of length 8 cm. What is the weight of the remaining portion? (C.P.F., 2007) QUANTITATIVE APTITUDE 7
(a)of the weight of the original cube 8 8
(b)of the weight of the original cube 9 63
(c)of the weight of the original cube 64 511
(d)of the weight of the original cube 512
Answer
Explanation
Volume of the bigger cube = (83) cm3 = 512 cm3. Volume of the cut-out cube = (13) cm3 = 1 cm3. Volume of the remaining portion = (512 – 1) cm3 = 511 cm3. Weight of the remaining portion 511 = . Weight of the original cube 512 100 × 100 × 100
Explanation as extracted from the printed page; notation may be imperfect.
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