Ques:- An integer us divisible by 16 if and only if its last X digits are divisible by 16. The value of X would be
A. 3
B. 4
C. 5
D. 6
Ques:- If the largest three digit number is subtracted from the smallest five digit number, then the remainder is
A. 9000
B. 9001
C. 90001
D. 90007
Ques:- A train 300 m long crossed a platform 900 m long in 1 minutes 12 seconds. The speed of the train (in km/hr) is
A. 40
B. 50
C. 60
D. 70