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Question
How many cubes are needed to make the above given model?
How many cubes are needed to make the above given model?
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Solution
The correct option is C 33
Number of cubes in the first layer = 3
Number of cubes in the second layer = 4 + 2 + 1 = 7
Number of cubes in the third layer = 4 + 3 + 2 = 9
Number of cubes in the fourth layer = 4 + 4 + 4 + 2 = 14
Thus, the total number of cubes needed to make the given model is 3 +7 + 9 + 14 = 33.
Number of cubes in the first layer = 3
Number of cubes in the second layer = 4 + 2 + 1 = 7
Number of cubes in the third layer = 4 + 3 + 2 = 9
Number of cubes in the fourth layer = 4 + 4 + 4 + 2 = 14
Thus, the total number of cubes needed to make the given model is 3 +7 + 9 + 14 = 33.
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