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CTET 2 Math and Science 7 Jan 2022 Paper

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Question : 33

Total: 150

If x=3127×5121×716
y=3128×5119×721 and
z=3126×5120×719,
then HCF of x,y and z is

3127×5119×719
3128×5120×716
3126×5119×716
3126×5120×716

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