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The time needed to drive
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05 Jan 2021, 08:15
05 Jan 2021, 08:15
Expert Reply
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Question Stats:
79% (01:19) correct
20% (01:41) wrong based on 49 sessions
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Quantity A |
Quantity B |
The time needed to drive \(a\) miles at \(\frac{b}{a}\) miles per hour |
The time needed to drive \(\frac{b}{a}\) miles at \(b\) miles per hour |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Re: The time needed to drive
[#permalink]
05 Jan 2021, 08:49
05 Jan 2021, 08:49
1
Qt A
The time needed to drive \(a\) miles at \(\frac{b}{a}\) miles per hour
\(\frac{b}{a}\) miles in 1 hour, then
\(a\) miles in how many hours??
\(\frac{a * a}{b}\)
\(\frac{a^2}{b}\)
Qt B
The time needed to drive \(\frac{b}{a}\) miles at \(b\) miles per hour
\(b\) miles in 1 hour, then
\(\frac{b}{a}\) miles in how many hours??
\(\frac{b * a}{b}\)
\(a\)
We do not know the exact values of a & b
Answer D
The time needed to drive \(a\) miles at \(\frac{b}{a}\) miles per hour
\(\frac{b}{a}\) miles in 1 hour, then
\(a\) miles in how many hours??
\(\frac{a * a}{b}\)
\(\frac{a^2}{b}\)
Qt B
The time needed to drive \(\frac{b}{a}\) miles at \(b\) miles per hour
\(b\) miles in 1 hour, then
\(\frac{b}{a}\) miles in how many hours??
\(\frac{b * a}{b}\)
\(a\)
We do not know the exact values of a & b
Answer D
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Joined: 23 Jan 2021
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Concentration: , International Business
Re: The time needed to drive
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27 May 2021, 00:01
27 May 2021, 00:01
rx10 wrote:
Qt A
The time needed to drive \(a\) miles at \(\frac{b}{a}\) miles per hour
\(\frac{b}{a}\) miles in 1 hour, then
\(a\) miles in how many hours??
\(\frac{a * a}{b}\)
\(\frac{a^2}{b}\)
Qt B
The time needed to drive \(\frac{b}{a}\) miles at \(b\) miles per hour
\(b\) miles in 1 hour, then
\(\frac{b}{a}\) miles in how many hours??
\(\frac{b * a}{b}\)
\(a\)
We do not know the exact values of a & b
Answer D
The time needed to drive \(a\) miles at \(\frac{b}{a}\) miles per hour
\(\frac{b}{a}\) miles in 1 hour, then
\(a\) miles in how many hours??
\(\frac{a * a}{b}\)
\(\frac{a^2}{b}\)
Qt B
The time needed to drive \(\frac{b}{a}\) miles at \(b\) miles per hour
\(b\) miles in 1 hour, then
\(\frac{b}{a}\) miles in how many hours??
\(\frac{b * a}{b}\)
\(a\)
We do not know the exact values of a & b
Answer D
But My instructor told that we can pick up any random number for the easy calculation and i chose a =10, b = 5, i got answer as c. Whats wrong in this approach sir?
