Latest exam Aptitude Question SOLUTION: There are 3 red and 7 black marbles in a bag. If I am blindfolded, how many times must I reach in and pull out a marble before I am sure it is a black one?

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Previous Question: find four consecutive even intergers such that six times the sum of the first two exceeds twice the sum of the first and the forurth by 416 Next Question: I typed the equation wrong!!!!!!!!! This is what it should have been 2x -4y =8 x - 2y = 4 thanks, dnn

(#M40124112) EXAM Numerical Ability question Keep an EYE

There are 3 red and 7 black marbles in a bag. If I am blindfolded, how many times must I reach in and pull out a marble before I am sure it is a black one?: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: find four consecutive even intergers such that six times the sum of the first two exceeds twice the sum of the first and the forurth by 416 Next Question: I typed the equation wrong!!!!!!!!! This is what it should have been 2x -4y =8 x - 2y = 4 thanks, dnn

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