Aptitude - Problems on Trains - Discussion
Discussion Forum : Problems on Trains - General Questions (Q.No. 31)
31.
Two, trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is:
Answer: Option
Explanation:
Let us name the trains as A and B. Then,
(A's speed) : (B's speed) = b : a = 16 : 9 = 4 : 3.
Discussion:
109 comments Page 8 of 11.
Bhargav said:
2 decades ago
Speed = Distance/Time; Then how will you write root of time?
Rahul said:
9 years ago
Ishita Narula is absolutely right, no more debates on this.
SAURABH SUMAN said:
1 decade ago
SIMPLY THEY ARE USING DISTANCE FORMULA DISTANCE=TIME*SPEED
Sukalpa msihra said:
1 decade ago
d1/d2=x1/x2;
d1=16x1;
d2=9x2;
9/16=(x1)2/(x2)2;
x1/x2=3/4;
d1=16x1;
d2=9x2;
9/16=(x1)2/(x2)2;
x1/x2=3/4;
Anil said:
6 years ago
Why are getting the square root. Can anyone explain to me?
(1)
Dheeraj said:
1 decade ago
(A's Speed):(B's Speed)= sq.under root a: sq.under root b
Swati said:
6 years ago
I didn't understand, please anyone explain me to get it.
Vinod said:
2 decades ago
How can you calculate speed as the square-root of time?
Ankit kumar sharma said:
7 years ago
Thanks for the explaining the answer @Ishita Narula.
Mohan said:
9 years ago
@Ishita Narula.
Thanks for your clear explanation.
Thanks for your clear explanation.
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