Math, asked by Pooja2010, 5 months ago

15. Distance from place X to Y is 45 metre and time taken by a person to cover
this distance is 9 seconds. The speed of that person in km/h is:
(A) 18 km/h
(B) .5 km/h
(C) 9 km/h
(D) 20 km/h
(E) None of these​

Answers

Answered by knainsdelicia
6

18 km / hr

x to y is 45 metre so

d = 45 metres

t= 9 sec

s= 45/9 = 5

m/ sec= km/hr

5 into 18/5

= 18

therefore answer is 18

Answered by elmaannshah
3

Answer: 18 km/hr

Step-by-step explanation: X - Y = 45 m in 9 sec

D = 45

T = 9

speed = distance / time

           = 45/9

           = 5

5 into 18 / 5

: therefore = 18

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