A seven digit number is formed using digits 3, 3, 4, 4, 4, 5, 5. The probability, that number so formed is divisible by 2, is : - DASH

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Question

A seven digit number is formed using digits 3, 3, 4, 4, 4, 5, 5. The probability, that number so formed is divisible by 2, is :

${1 \over 7}$

${4 \over 7}$

${6 \over 7}$

${3 \over 7}$

Solution

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