General Aptitude › Time and Distance › Question #4669
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QA boy walks 7/6 of his typical pace and arrives at school 4 minutes early. What is his regular time of arrival at school?

ID: #4669 Time and Distance 155 views
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#4669Q ID
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Time and DistanceTopic
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  • A 30 mins ✔ ✖
  • B 28 mins ✔ ✖
  • C 25 mins ✔ ✖
  • D 20 mins ✔ ✖
Correct Answer

Explanation


The speed ratio between the two objects is given as 1:7/6 = 6:7.

The time ratio between the two objects is given as 7:6.

We can use the speed ratio and the time ratio to find the unknown time ratio. 

Since the speed ratio is 6:7 and the time ratio is 7:6, 

we can set up the following equation: 6/7 = (time ratio)/4.

Solving for the time ratio, we get time ratio 

= 4 * (6/7) = 4 * 0.85714 

= 3.42857.

To express the time ratio in minutes, we can multiply it by 60, which gives us 3.42857 * 60 = 205.714 minutes, or approximately 28 minutes.

Therefore, the time ratio between the two objects is approximately 28 minutes.
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