Question

63.
Reduced Level (R.L.) of the floor at building is 74.400 m, staff reading on the floor is
Red
1.625 m and staff reading when it is held inverted with bottom touching the ceiling
of a hall is 2.870 m, then the height of the ceiling above the floor is
(1) 3.593 m
(2) 3.953 m
(3) 4.594 m
(4) )4:495 m​

Answer 1

Answer:

I think b is the correct answer