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MH SET Exam 27 Dec 2020 Paper

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Question : 22

Total: 50

Consider the following ordered string of pebbles of three colors, green (G), blue (B) and red (R) :
X = GGBRBRRBBR
Y = GBRRBRBBRG
Z = RBBRGGBRBR
Which two of them will give us identical necklaces prepared by just making the first and the last pebbles of the string adjacent?

X and Y
Y and Z
X and Z
No two of them are identical

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