Passage: Four players A, B C and D are holding 4 cards each. Each of them has an Ace, a King, a Queen and a Jack. All of them have all the suits (spades, hearts, clubs and diamonds). A has Ace of spades and Queen of diamonds. B has Ace of clubs and King of diamonds. C has Queen of clubs and King of spades. D has Jack of clubs. Jack of hearts is with:
Correct answer: A. A
- A. A
- B. B
- C. C
- D. D
Explanation
By creating a table and filling in the known cards for each player, we can use a process of elimination to determine the remaining card distributions. This logical deduction reveals that player A must be holding the Jack of hearts.
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Work transfers energy when a force causes displacement, while kinetic energy, gravitational potential energy and power describe motion, position and the rate of energy transfer. The work-energy theorem links net work with change in kinetic energy, and efficiency accounts for energy losses rather than treating them as energy destruction.
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