Latest Infosys Aptitude Question SOLUTION: Price in taai is 15rs/km. in train 21rs/km. Total distance 450 km. Total amount paid 8130 rs. Journey travel by train?

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Price in taai is 15rs/km. in train 21rs/km. Total distance 450 km. Total amount paid 8130 rs. Journey travel by train?

Asked In Infosys asxa asxaxax (10 years ago)

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S.P Parmar  (10 years ago)

let distance by train is x then by taai will be 450-x
a/c to question
21x+(450-x)*15=8130
so
x=230 km

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Anand Sanmani  (10 years ago)

distance by taai say X
by train = 450-x
taai+train=8130
15*X+(450-X)*21=8130
i.e X=220
train=450-220=230km

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jagan  (9 years ago)

15x+21y=8130 ----(1)

x+ y=450------------(2)

solving eq (1) & (2),

we get ,x=220 & y=230

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Ashutosh Tiwari  (10 years ago)

69
21x+(450-x)15 = 8130

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Shanmugapriya.N  (10 years ago)

230 km in train makes 4830rs
220 km in taai makes 3300rs
tot=8130rs
train covered 230km out of 450km
ans:230km

Is this solution Helpfull? Yes | No (3)  

Perrin  (9 years ago)

let distance travelled by taai=x
cost of 1km by taai=Rs. 15
total cost of distance travelled by taai=15x
Distance travelled by train=450-x
cost of 1 km by train=Rs. 21
total cost by train=21(450-x)
now
15x+21(450-x)=8130
.
.
.
x=220
journey travelled by train=450-220=230km

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keerthana chennamsetty  (9 years ago)

230 km traveled by train (230*21=4830)
220 km traveled by taxi (220*15=3300)
4830+3300=8130.
which is the total amount paid.
so journey traveled by train is 230 km.

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