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[" 12.Xuo numbers a and b are sclected f...

[" 12.Xuo numbers a and b are sclected from the set of natural number then the probability that a "+h^(2)" is "],[" divisible by "5" is "],[[" (A) "(9)/(25)," (B) "(7)/(18)," (C) "(11)/(36)," (D) "(17)/(81)]]

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