Question

HELP PLS :'(

Answer 1

A train covered a certain distance at a uniform speed.if the train would have been 10km/h faster , it would have taken 2 hours less than the schedules time.and if the train were slower by 10km/h ; it would have taken 3 hours more than scheduled time.find the distance covered by the train

Answer 2

@Preetha and @pooja195 PLS HELP

Answer 3

@Abhisar

Answer 4

@ganeshie8

Answer 5

Hi!
Don't cry, let's try to solve this together c:

Answer 6

yep :)

Answer 7

Train is travelling with uniform speed, so first thing you need to know is that when anything is travelling through constant speed then distance traversed is given by speed*time.

Answer 8

So, we can say that time taken is given by distance/speed.

Got it?

Answer 9

ok

Answer 10

then??

Answer 11

Let the speed of train be s and distance be d. Then time taken will be d/s ........ 1

Now, if train would have been 10 km/hr faster then its speed would be (s+10) and time taken would be (T-2). So we can write that

d/(x+10) = T-2 .......2

Answer 12

oh ya

Answer 13

then

Answer 14

Again, if the train would have been 10km/h slower then its speed would have been (s-10) and time taken would have been (T+3)

So, we can write that d/(s-10)=T+3

Answer 15

hmm

Answer 16

Now, you have 3 variables d, s and T and 3 equations. Can you solve the equations to find the value of variables?

Answer 17

i dont knw to solve three i only knw to solve 2

Answer 18

Ok, I'll help you.

From equation 1 we know d=st. Now put this value of d in other two equations and solve the 2 equations. Can you do that?

Answer 19

\(\bf Hint\) Value of S will be 50 km/h

Answer 20

ok let me try

Answer 21

am not getting it

Answer 22

We will get following two equations,

st = (T-2)(s+10)
st = (T+3)(s-10)

Simplifying both of them and then adding.

Answer 23

Thank uh :)

Answer 24

Welcome c: