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Director
Joined: 16 May 2014
Posts: 590
Given Kudos: 0
GRE 1: Q165 V161
GRE Math Challenge #11- x = 350,000 y = 45,000
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06 Aug 2014, 13:43
06 Aug 2014, 13:43
Expert Reply
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Question Stats:
36% (01:09) correct
63% (01:26) wrong based on 90 sessions
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x = 350,000
y = 45,000
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
y = 45,000
Quantity A |
Quantity B |
The total number of positive divisors of x |
The total number of positive divisors of y |
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
Director
Joined: 16 May 2014
Posts: 590
Given Kudos: 0
GRE 1: Q165 V161
Re: GRE Math Challenge #11
[#permalink]
06 Aug 2014, 13:44
06 Aug 2014, 13:44
Expert Reply
Hint
Go through the concepts in the following link to accurately answer the above question
divisibility-factors-164.html
Re: GRE Math Challenge #11
[#permalink]
07 Aug 2014, 02:50
07 Aug 2014, 02:50
2
No. of positive divisors of x = 350,000 => 350000 = (2^4)*(5^5)*(7^1) => no. of divisors = (4+1)*(5+1)*(1+1) = 5*6*2 = 60
y = 45,000 => 45000 = (2^3)*(3^2)*(5^4) => no. of divisors = (3+1)*(2+1)*(4+1) = 4*3*5 = 60
Hence, the correct answer would be (C)
y = 45,000 => 45000 = (2^3)*(3^2)*(5^4) => no. of divisors = (3+1)*(2+1)*(4+1) = 4*3*5 = 60
Hence, the correct answer would be (C)
