Aptitude:speed and distance [Section 1 of 1] Q26 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 04:46Select the correct answerB starts 4.5 minutes after A from the same point, for a place at a distance of 3.5 miles from the starting point. A on reaching the destination turns back and walk a mile where he meets B. If A’s speed is a mile in 6 minutes then B’s speed is a mile in _minutes?
Question
Aptitude:speed and distance [Section 1 of 1] Q26 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 04:46Select the correct answerB starts 4.5 minutes after A from the same point, for a place at a distance of 3.5 miles from the starting point. A on reaching the destination turns back and walk a mile where he meets B. If A’s speed is a mile in 6 minutes then B’s speed is a mile in _minutes?
Solution
Let's break down the problem:
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A travels 3.5 miles to the destination and then walks back 1 mile before he meets B. This means A has traveled a total of 4.5 miles.
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We know that A travels at a speed of 1 mile every 6 minutes. Therefore, the time taken by A to travel 4.5 miles is 4.5 miles * 6 minutes/mile = 27 minutes.
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B starts 4.5 minutes after A. So, when A and B meet, B has been traveling for 27 minutes - 4.5 minutes = 22.5 minutes.
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When A and B meet, they are 1 mile away from the destination. This means B has traveled 3.5 miles - 1 mile = 2.5 miles.
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Now, we can find B's speed by dividing the distance traveled by the time taken. So, B's speed is 2.5 miles / 22.5 minutes = 1 mile every 9 minutes.
So, B's speed is a mile in 9 minutes.
Similar Questions
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