Which pattern contains triangles formed using 27 sticks?
A) 7
B) 8
C) 9
D) 10
Correct Answer: C
Solution :
Each triangle in a pattern is formed using 3 sticks. So, 9 triangles require 9 \[\times \]3 = 27 sticks. Hence 9th pattern has triangles formed using 27 sticks.
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