Ques:- Every rational number is also
A. a whole number
B. a natural number
C. a real number
D. an integer
Ques:- A train 270 meters long is moving at a speed of 25 km/hr. It will cross a man coming from the opposite direction at a speed of 2 km per hour is
A. 24 seconds
B. 28 seconds
C. 32 seconds
D. 36 seconds