Vishwanath
Wednesday, March 13, 2013
7. The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is
A. 1.2 km B. 1.8 km
C. 2.4 km D. 3.6 km
Answer:
Speed Downstream = (15 + 3) km/hr
= 18 km/hr.
Distance travelled =(18 x 12/60)hrs
= 3.6km.
Title : BOATS and STREAMS Q7
Description : 7. The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is A....
Rating : 5
