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Aptitude - Time and Distance - Discussion

Discussion Forum : Time and Distance - General Questions (Q.No. 3)
Time and Distance
3.
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
50 km
56 km
70 km
80 km
Answer: Option
Explanation:

Let the actual distance travelled be x km.

Then, x = x + 20
10 14

14x = 10x + 200

4x = 200

x = 50 km.

Discussion:
174 comments Page 13 of 18.
Nandu said:   8 years ago
S1 : S2 = d1 : d2 = 14 : 10,
Diff 4 parts 20,
1 part 5,

Initially at 10 speed = 10 * 5=50.
Dev said:   8 years ago
I am not getting this, please anyone help me.
Souvik said:   8 years ago
To take time as x is the easiest way to solve.
Anoop Krishna said:   8 years ago
Hey, friends.

This is the easiest way of thinking.

Let the distance travelled by walking at the speed of 10km/h be x.
Then the distance travelled by walking at the speed of 14km/h will be x+20(according to the question).
so, 14=x+20,
10=x.

Cross multiply and find the value of x.
Parikshit said:   8 years ago
If 10kmph will cover x distance than 14 will cover it faster. But why here 20 km is added to 14kmph distance. How can it be possible?
Surin said:   8 years ago
14:10
7:5

2 difference = 20,
So 20/2 = 10.
5*10 = 50 ans.
Mayur jaiwal said:   8 years ago
14-10 = 4km,
10*20 = 200,
200%4 = 50.
Zainabfatima said:   8 years ago
Your explanation is very clear. Thank you so much @Ilesh.
Manish said:   8 years ago
But it can be 70 also as it is said actual distance traveled by him x+20 where x is 50+20=70.
Rachel said:   8 years ago
I agree @Ilesh.
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