What is the area of the hall cum dining room as a fraction of the whole house?
(A) 14/45
(B) 13/25
(C) 17/55
(D) 13/35
(E) 11/20
A and B, both start at the same point and at the same instant, A is heading North at 60 kph and B is heading East at 80 kph. What is the distance between them after 5 hrs of journey?
(A) 140 km.
(B) 300 km.
(C) 400 km.
(D) 500 km.
(E) 700 km.
If p and q are positive integers and