PAGE NO.88 QUESTION NO.10 EXERCISE 4.3 NCERT BOOK.........
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distance=132km
let speed of passenger be x km/hr
time by passenger = d/ s =132/x
speed of express=11 more than passenger
=(x+11)km/hr
time taken by exp = d/s = 132/x+11
time of passenger -time of exp =1
132/x -132/x+11 =1
solve
x=3;-44.
speed of passenger =3km/h
speed of exp =44km/h
let speed of passenger be x km/hr
time by passenger = d/ s =132/x
speed of express=11 more than passenger
=(x+11)km/hr
time taken by exp = d/s = 132/x+11
time of passenger -time of exp =1
132/x -132/x+11 =1
solve
x=3;-44.
speed of passenger =3km/h
speed of exp =44km/h
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