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A three digit number n is such that the last two digits of it are equal and differ from the first. Then number of such n's is :
\[\begin {array} {1 1} (a)\;64 & \quad (b)\;72 \\ (c)\;81 & \quad (d)\; 900 \end {array}\]
jeemain
eamcet
chemistry
2005
q7
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Nov 11, 2013
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meena.p
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