The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is_______________?

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The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is_______________?

A. 0
B. 755
C. 744
D. 555