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A person walks a distance of 18 kms at a particular speed. For the next 30 kms he increases his speed by 2 kmph. Had he walked the entire distance at 3 kmph more than his initial speed, he would have reached 4 hours earlier. Find his initial speed.

a) 3 kms/hr b) 2 kms/hr c) 4 kms/hr d) None of these

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solve this guys
12 years agoHelpfull: Yes(10) No(3)

let x be the initial speed , then
18/x+30/x+2=12 , we get 12 from 3*4=12
by solving we get x=1,-3 so the solution is d)
8 years agoHelpfull: Yes(0) No(0)

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a) 75 meters b) 60 meters c) 90 meters d) 80 meters A man starts from B to K, another starts from K to B, at the same time. After passing each other they complete their journeys in 3.33 and 4.80 hours respectively. Find the speed of the second man if the speed of the first is 12 km/ hr

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