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Ques:- The LCM of two numbers is 2079 and their HCF is 27. If oneof the numbers is 189, find the other number.
A. 248
B. 128
C. 297
D. 336
E. None of these
Ques:- A train 280 m long is moving at 60 km/hr. Time taken by the train to cross a tunnel 220 m long is
A. 15 sec
B. 20 sec
C. 25 sec
D. 30 sec
Ques:- A 260 meter long train crosses a 120 meter long wall in 19 seconds. What is the speed of the train?
A. 27 km/hr
B. 49 km/hr
C. 72 km/hr
D. 92 km/hr