Count the number of cubes in the given figure and chose the correct answer out of given alternatives
A
15
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B
12
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C
18
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D
16
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Solution
The correct option is A 15 No of cubes in first layer = 3 x 3 = 9 No of cubes in second layer = 5 No of cubes in third layer = 1 So total no of cubes = 9 + 5 + 1 = 15