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0 / 60 seg.
I was given 100 questions to be solved. I scored 85. The score was calculated by subtracting twice the number of wrong answers from number of correct answers. How many questions did I solve correctly?
9
5
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5
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Clue
95 QUESTIONS WERE ANSWERED CORRECTLY. 5 QUESTIONS WERE NOT ANSWERED CORRECTLY. SO, 95 - (2 X 5) = 85
USE 4 HALF FILLED BARRELS TO FILL 2 EMPTY BARRELS. WE ARE THEN LEFT WITH 9 FULLY FILLED BARRELS, 3 HALF FILLED BARRELS AND 9 EMPTY BARRELS. EACH SON GETS 3 FULL BARRELS, 1 HALF-FULL BARREL, AND 3 EMPTY BARRELS
PLACE 3 CHAIRS ALONG EACH WALL AS SHOWN BELOW
WHEN I SPOKE, SAY IT WAS X MINUTES AFTER 10 O'CLOCK - I.E, (60-X) MINUTES BEFORE 11 O'CLOCK. 58 - X = 2(X - 25) X = 36 THEREFORE, THE TIME WAS 10:36
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