1.

3. A man covers half of his journey at 6 km/hr and theremaining half at 3 km/hr. His average speed is?(a) 3 km/hr(b) 4 km/hr(c) 4.5 km/hr (d) 9 km/hr

Answer»

4km/hr. may be the answer.

the average speed = 6+3/2 =4.5therefore 4.5 is the correct answer to this question

4km/hr. may be the correct answer

his average speed = (6+3)/2 = 9/2 = 4.5 km/hr (ANS)

what the hell is going on, why my answers gets an issue mark, would you be able to explain it..

(C) 4.5 km/hr (answer)

AVG.speed 6+3/2=4.5km/hr

average speed=6+3/2=4.5,

Total speed = 6+3m/sec= 9m/secTotal time = 2 hr.So, average speed = 9/2 m/sec= 4.5 m/sec AnsSo, option (C) is correct Ans.

4.5 is the right answer

4.5 is the correct answer

the average speed = 6+3/2 =4.5therefore 4.5 is the correct answer to this question

correct answer is (c)

the average speed = 6+3/2 = 4.5therefore 4.5 is the correct answer to this question

his average speed is 4.5



Discussion

No Comment Found