1.

A boy walks from his house in the morning on his bicycle at 10 a.m. at the speed of 12 kmph. His elder brother follows the same route after 1 hour 15 minutes on his scooter and catches the boy at 1.30 pm. Accordingly, the speed of the scooter will be -

A. 4.5
B. 36
C. 56/3
D. 9
Answer» D. 9


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