Ques:- The prime numbers dividing 143 and leaving a remainder of 3 in each case are
A. 2 and 11
B. 3 and 7
C. 5 and 7
D. 11 and 13
Ques:- A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
A. 120 metres
B. 150 metres
C. 180 metres
D. 200 metres