railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
ABCD is a parallelogram in which AB = 12 cm, AC = 30 cm and BD = 18 cm. The area of triangle AOB (where AC and BD bisect at point O)
1
72 cm2
2
54 cm2
3
68 cm2
4
66 cm2