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[" If Product of randomly chose four int...

[" If Product of randomly chose four integers "],[" is to find out,then probaility of last digit of "],[" product be "1,3,7" or "9" will be- "],[[" (a) "9/42," (b) "(33)/(112)],[" (c) "(18)/(25)," (d) "16/225]]

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