boat goes 10kms downstream and comes back to starting point in 2 hours. if speed of current is 3km/hr, then speed of boat in still water is
Answers
Answered by
1
Answer:
Step-by-step explanation:
B) 9 km/h
Description for Correct answer:
12x+y+12x−y=312x+y+12x−y=3
Speed of the current, y =3 km/h
12x+3+12x−3=312x+3+12x−3=3
In such type of question take help from the options to save your valuable time.Take option (b) x = 9
129+3+129−3=1212+126=1+2=3129+3+129−3=1212+126=1+2=3
∴∴ Option (b) is the answer
Similar questions