we are given
number of cubes in bottom is 3*16=18
we can see that
number of layers is 8
now, we can find total number of cubes
total number of cubes = number of layers*number of cubes in bottom
so, we get
total number of cubes = 8*18
total number of cubes is 144
so, option-C..........Answer
Y8=40
You can divide 40 by 8 and you get 5. y=5
Answer:
8
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