In ∆PQR, PT = 15 cm and QS = 12 cm. Median QS and PT intersect each other at the right angle at centroid 'O'. Then the ratio between OS and OT is
1
1 : 2
2
5 : 4
3
4 : 5
4
2 : 1
In ∆PQR, PT = 15 cm and QS = 12 cm. Median QS and PT intersect each other at the right angle at centroid 'O'. Then the ratio between OS and OT is