railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Geometry Triangles, Congruence and Similarity
In a triangle ABC, AB = 12, BC = 18, AC = a and OX = (√23)/(√2). The medians AX and BY intersect sides BC and AC at X and Y respectively. If AX and BY intersect each other at O, then what is the value of a?
1
12
2
20
3
21
4
15