1.

An expert burglar has 8 master keys to open several new houses of a mansion.Only one master key will open a given house.If 40% of these houses remain unlocked the probability that the burglar will break open the treasury house on selecting 3 master keys at random is?

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An expert burglar has 8 master keys to open several new houses of a mansion.Only one master key will open a given house.If 40% of these houses remain unlocked the probability that the burglar will break open the treasury house on selecting 3 master keys at random is?




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