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sqrt 4*9*25
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23 Feb 2021, 02:14
23 Feb 2021, 02:14
1
Expert Reply
00:00
Question Stats:
79% (00:48) correct
20% (01:26) wrong based on 48 sessions
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Quantity A |
Quantity B |
\(\sqrt{4 \times 9 \times 25 \times 49 \times 121}\) |
\(\sqrt{2,310 \times 2,310}\) |
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
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: sqrt 4*9*25
[#permalink]
23 Feb 2021, 04:26
23 Feb 2021, 04:26
1
Hi,
We can start finding the square root of both sides.
Qty A: All the number in A are square so, 2x3x5x7x11=2310
Qty B: 2310
Qty A= Qty B
IMO C
Hope this helps!
Posted from my mobile device
We can start finding the square root of both sides.
Qty A: All the number in A are square so, 2x3x5x7x11=2310
Qty B: 2310
Qty A= Qty B
IMO C
Hope this helps!
Posted from my mobile device
Re: sqrt 4*9*25
[#permalink]
05 Aug 2022, 09:24
05 Aug 2022, 09:24
1
All the terms inside Quantity A's square root are perfect squares already.
So to compute Quantity A, just multiply the roots of the terms under the square root.
Which results in 2310.
This is the same as Quantity B - Hence C
So to compute Quantity A, just multiply the roots of the terms under the square root.
Which results in 2310.
This is the same as Quantity B - Hence C
