Question
If the weight of A is 52kg and the weight of D is 45kg,
then what would be the weight of C? Answer the questions based on the information given below. There are six persons A, B, C, D, E and F. All of them are have different weights but not in the same order. D is the third lightest among all and A’s weight is the fifth lowest weight among all the persons. C’s weight is more than the weight of E and B but C is not the heaviest person.Solution
So, D is the third lightest and A is the second heaviest persons among all. Also, C is not the heaviest but heavier than E and B which means F is heaviest. F > A > C > D > E/B > B/E So, person C is lighter than person A but heavier than person D which means the weight of person C may be 49 kg.
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
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