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Question


Which pattern does this sequence follow: 1, 4, 9, 16, 25…?


Options:
A .   Square number pattern
B .   Pentagonal number pattern
C .   Hexagonal number pattern
D .   Triangular number pattern
Answer: Option A
:
A

1,4,9,16,25,36…….


The square number sequence is a pattern of numbers which is as follows:


The number in nth position = n×n


In the above pattern:


The number in 1st position = 1×1 = 1


The number in 2nd position = 2×2 = 4


The number in 3rd position = 3×3 = 9


The number in 4th position = 4×4 = 16


The number in 5th position = 5×5 = 25


So, the above sequence is a square number pattern.



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