Syntel Company Numerical Ability Time Distance and Speed

a goods train starts and after 2 hrs a passenger train at 4km/hr starts and overtakes the goods train after 4 hrs, then the speed of goods train?

Read Solution (Total 2)

dis=4*4= 16km
speed of goods train = 16/(2+4)=8/3
13 years agoHelpfull: Yes(42) No(6)

let speed of goods train be X kmph
then
2*X+4*X=4*4
6X=16
x=8/3=2.666kmph
9 years agoHelpfull: Yes(1) No(1)

Syntel Other Question

x/y+y/x=40/21(don’t remember the exact value, believe this is the one) find x and y there were 2 questions on train and one was like: Maximum numbers that can be formed using all the 4 digits 6 4 8 1 without repetition and which is divisible by 9.