Question

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A motorist covers 39 km in 45 mins of his journey by moving at the speed
of x km/ph for first 15 mins. Then moving at double the original speed for
next 20 mins and then again moving at his original speed x km/mh for the
rest of the journey. Now,x=?
d. 36
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a. 45
b. 27
c. 54
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Answer 1

ANSWER

IF IN 15 MINUTES THEN AT ORGINAL SPEED THAT THE ANSWER IS (B) 27 KM

Answer 2

hey mate...

your answer is.......

option (b)27

hope it helps you...☺☺