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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

a) 12 kms/hr b) 10 kms/hr c) 14 kms/hr d) Data inadequate

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Patni Other Question
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 A train traveling at 40 kms / hr while inside the tunnel meets another train of half its length traveling at 60 kms / hr and passes it completely in 4.5 seconds. Find the length of the tunnel if the first train passes completely through it in 4 minutes 37.5 seconds.

a) 2000 meters b) 3000 meters c) 4000 meters d) 5000 meters