UPSC CDS 2 2023 Math Paper

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Question Numbers: 86-90
Consider the following for the next items that follow:
A, B, C, D, E, F and G are cousins. D is thrice as old as A. Further, C is as many years younger to B, as G to E and E to D. The average age of D and G is 16 years; the average age of A and E is 11 years; the average age of B and C is also 11 years. B and C have equal weight. A's weight is 10 kg less than that of B; D is 4 kg heavier than E; E is 4 kg heavier than F; F is 4 kg heavier than G. Further, D has age-weight ratio of 9 ∶ 20, where age is in years and weight in kg; A has age-weight ratio of 2 ∶ 5. Moreover, none of them is more than 40 kg.
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