railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
A photograph of dimensions 10 cm × 8 cm is pasted on a cardboard of dimensions 15 cm × 15 cm. What percentage of the area of the cardboard should be removed such that the photograph is left with a border of 1 cm on all four sides?
1
46.67%
2
51.11%
3
57.77%
4
64.44%