Question:
Question 10: How many cuboids of dimensions 15cm, 30cm ,15cm will be needed to form a cube ?
Answer:
Given cuboids of dimensions 15cm, 30cm ,15cm
LCM(15, 30, 15) = 30
Since 15*2 = 30
30*1 = 30
and 15*2 = 30 {since a cube has all the dimensions are same}
So, the number of cuboids required to form a cube = 2*1*2 = 4
So, by using 4 cuboids, we can form a cube having side 30 cm each.
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