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GRE Math Challenge #54- The number of prime numbers between
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Updated on: 19 Feb 2020, 09:50
Updated on: 19 Feb 2020, 09:50
Expert Reply
00:00
Question Stats:
88% (00:38) correct
11% (00:46) wrong based on 99 sessions
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Quantity A |
Quantity B |
The number of prime numbers between 70 and 76 |
The number of prime numbers between 30 and 36 |
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
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: GRE Math Challenge #54
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18 May 2015, 14:31
18 May 2015, 14:31
sandy wrote:
Quantity A: The number of prime numbers between 70 and 76.
Quantity B: The number of prime numbers between 30 and 36.
Quantity B: The number of prime numbers between 30 and 36.
It's not a bad idea to memorize the primes up to 97
Quantity A: The primes are: 71, 73. So, the TOTAL = 2
Quantity B: The primes are: 31. So, the TOTAL = 1
Answer:
Show: ::
A
Cheers,
Brent
Re: GRE Math Challenge #54- The number of prime numbers between
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18 Feb 2020, 16:31
18 Feb 2020, 16:31
1
Expert Reply
Totally agree @GreenlightTestPrep 
PS: sometimes I do not remember what I ate for lunch half of one hour after lunch
PS: sometimes I do not remember what I ate for lunch half of one hour after lunch
