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GMAT Inequalities is a high-frequency topic in GMAT Quant, but many students struggle because the concepts behave differently from standard algebra. Understanding the right rules, patterns, and edge cases can significantly improve both speed and accuracy.- May 06
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In Episode 3 of our GMAT Ninja Critical Reasoning series, we tackle Discrepancy, Paradox, and Explain an Oddity questions. You know the feeling: the passage gives you two facts that seem completely contradictory.... - May 08
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24 Jan 2025, 02:55
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Nutritionist: Recent surveys indicate that people following our new high-protein diet plan tend to lose more weight than those on traditional diets. However, despite having a higher proportion of older adults who generally struggle with weight loss, the weight loss success rates for both young adults and older adults on this new diet are nearly identical.
Which of the following, if true, most helps to resolve the apparent paradox?
A. Older adults generally have slower metabolisms and hence find it more difficult to lose weight regardless of diet plan.
B. Younger adults tend to be more physically active, which can enhance the effectiveness of any diet plan.
C. Individuals who feel they have struggled significantly with weight for many years are more likely to adhere strictly to new diet recommendations.
D. The new high-protein diet plan was primarily marketed towards individuals who have not previously tried structured dieting.
E. Most diet plans do not consider age-related metabolic changes when calculating recommended food intakes.
Which of the following, if true, most helps to resolve the apparent paradox?
A. Older adults generally have slower metabolisms and hence find it more difficult to lose weight regardless of diet plan.
B. Younger adults tend to be more physically active, which can enhance the effectiveness of any diet plan.
C. Individuals who feel they have struggled significantly with weight for many years are more likely to adhere strictly to new diet recommendations.
D. The new high-protein diet plan was primarily marketed towards individuals who have not previously tried structured dieting.
E. Most diet plans do not consider age-related metabolic changes when calculating recommended food intakes.
24 Jan 2025, 02:55
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Official Solution:
Nutritionist: Recent surveys indicate that people following our new high-protein diet plan tend to lose more weight than those on traditional diets. However, despite having a higher proportion of older adults who generally struggle with weight loss, the weight loss success rates for both young adults and older adults on this new diet are nearly identical.
Which of the following, if true, most helps to resolve the apparent paradox?
A. Older adults generally have slower metabolisms and hence find it more difficult to lose weight regardless of diet plan.
B. Younger adults tend to be more physically active, which can enhance the effectiveness of any diet plan.
C. Individuals who feel they have struggled significantly with weight for many years are more likely to adhere strictly to new diet recommendations.
D. The new high-protein diet plan was primarily marketed towards individuals who have not previously tried structured dieting.
E. Most diet plans do not consider age-related metabolic changes when calculating recommended food intakes.
(A) Incorrect: This answer choice emphasizes that the older adults have a harder time losing weight, thus weakening the argument and not helping resolve the paradox. Eliminate.
(B) Incorrect: This answer choice has the same effect as (A), it emphasizes that the younger adults should be more capable of losing weight, thus weakening the argument, but it does not help resolve the paradox. Eliminate.
(C) Correct Answer: This may be a very non-rewarding correct answer; however, this option is the only one that actually offers a possible explanation to the paradox. The level of commitment based on previous struggles with weight loss, could explain why older adults, who might typically find it harder to lose weight, see similar success rates as younger adults on the new diet. This new detail suggests that a strong commitment to the diet among older adults levels the playing field across demographics with younger adults who are more successful (on average) losing weight. While this explanation is not perfect, it is the only one that can explain the paradox.
(D) Incorrect: this answer choice does not explain the paradox as it talks about marketing and not success of weight loss among older adults or how this plan could do it. Eliminate it.
(E) Incorrect: Note that this answer choice does not tell us that this plan, in contrast to others that fail to consider age-related metabolic differences, actually considers them. Rather, this choice discusses a potential flaw in most diet plans (not clear if this plan is included or not). This answer choice is incomplete as it does not explain why the new high-protein diet would be equally effective for both younger and older adults, as it would still have the expected differences in metabolic rates. As the result, this answer choice does not explain the paradox. Too vague/incomplete. Eliminate.
Answer: C
Nutritionist: Recent surveys indicate that people following our new high-protein diet plan tend to lose more weight than those on traditional diets. However, despite having a higher proportion of older adults who generally struggle with weight loss, the weight loss success rates for both young adults and older adults on this new diet are nearly identical.
Which of the following, if true, most helps to resolve the apparent paradox?
A. Older adults generally have slower metabolisms and hence find it more difficult to lose weight regardless of diet plan.
B. Younger adults tend to be more physically active, which can enhance the effectiveness of any diet plan.
C. Individuals who feel they have struggled significantly with weight for many years are more likely to adhere strictly to new diet recommendations.
D. The new high-protein diet plan was primarily marketed towards individuals who have not previously tried structured dieting.
E. Most diet plans do not consider age-related metabolic changes when calculating recommended food intakes.
(A) Incorrect: This answer choice emphasizes that the older adults have a harder time losing weight, thus weakening the argument and not helping resolve the paradox. Eliminate.
(B) Incorrect: This answer choice has the same effect as (A), it emphasizes that the younger adults should be more capable of losing weight, thus weakening the argument, but it does not help resolve the paradox. Eliminate.
(C) Correct Answer: This may be a very non-rewarding correct answer; however, this option is the only one that actually offers a possible explanation to the paradox. The level of commitment based on previous struggles with weight loss, could explain why older adults, who might typically find it harder to lose weight, see similar success rates as younger adults on the new diet. This new detail suggests that a strong commitment to the diet among older adults levels the playing field across demographics with younger adults who are more successful (on average) losing weight. While this explanation is not perfect, it is the only one that can explain the paradox.
(D) Incorrect: this answer choice does not explain the paradox as it talks about marketing and not success of weight loss among older adults or how this plan could do it. Eliminate it.
(E) Incorrect: Note that this answer choice does not tell us that this plan, in contrast to others that fail to consider age-related metabolic differences, actually considers them. Rather, this choice discusses a potential flaw in most diet plans (not clear if this plan is included or not). This answer choice is incomplete as it does not explain why the new high-protein diet would be equally effective for both younger and older adults, as it would still have the expected differences in metabolic rates. As the result, this answer choice does not explain the paradox. Too vague/incomplete. Eliminate.
Answer: C
03 Jul 2025, 01:54
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C. Individuals who feel they have struggled significantly with weight for many years are more likely to adhere strictly to new diet recommendations.
This explains why older adults, despite metabolic disadvantages, achieve similar weight loss results—they may adhere better due to motivation stemming from prior struggles.
This explains why older adults, despite metabolic disadvantages, achieve similar weight loss results—they may adhere better due to motivation stemming from prior struggles.
