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GRE Math Challenge #68- Carol’s age, in years, can be
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03 May 2015, 00:58
03 May 2015, 00:58
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Question Stats:
88% (01:56) correct
11% (03:06) wrong based on 9 sessions
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Carol’s age, in years, can be expressed by reversing the digits in her father’s age, in years. The sum of the digits in each age is 10.
Quantity A: The positive difference between Carol’s age, in years, and her father’s age, in years
Quantity B: 36
• Quantity A is greater.
• Quantity B is greater.
• Both Quantities are Equal
• Cannot be determined
Quantity A: The positive difference between Carol’s age, in years, and her father’s age, in years
Quantity B: 36
• Quantity A is greater.
• Quantity B is greater.
• Both Quantities are Equal
• Cannot be determined
Re: GRE Math Challenge #68- Carol’s age, in years, can be
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17 Jan 2018, 00:30
17 Jan 2018, 00:30
B is greater? im assuming QA= 64-46= 18
Re: GRE Math Challenge #68- Carol’s age, in years, can be
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17 Jan 2018, 01:16
17 Jan 2018, 01:16
2
possible scenarios that can make sum of 2 digits = 10
91,19; 82,28; 73,36; 64,46;
difference for the first three pair is greater than 36
for the last pair difference of 64 and 46 = 64-46 = 18<36
(D)
91,19; 82,28; 73,36; 64,46;
difference for the first three pair is greater than 36
for the last pair difference of 64 and 46 = 64-46 = 18<36
(D)
