MCQOPTIONS
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| 1. |
There is a rectangular sheet of dimension \[(2m-1)\]×\[(2n-1)\], (where \[m>0,n>0)\]. It has been divided into square of unit area by drawing lines perpendicular to the sides. Find number of rectangles having sides of odd unit length [IIT Screening 2005] |
| A. | \[{{(m+n+1)}^{2}}\] |
| B. | \[mn(m+1)\,(n+1)\] |
| C. | \[{{4}^{m+n-2}}\] |
| D. | \[{{m}^{2}}{{n}^{2}}\] |
| Answer» E. | |