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OL (p)09 (a)08/円

Answer»

Numbers = 10x and 10y

Where x and y are prime to each other.

∴∴LCM = 10xy

=>10xy= 120 =>xy=12

Possible pair = (3, 4)

∴∴Sum of numbers

=10×3+10×4=70

[As x and y are prime to each other]

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