A room is 12 m long, 9 m wide and 8 m high. What is maximum length of a rod that can be kept in the room ?

• 17m

• 16m

• 15m

• 14m

If two complementary angles are in the ratio 2 : 3, then angles will be

• $25°, 65°$

• $108°, 72°$

• $36°, 54°$

• $40°, 60°$