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In a game, 100 marbles numbered 0-99 are placed into a box. A player draws 1 marble at random from the box. Without replacing the first marble, the player draws a second marble at random. If both marbles drawn have the same tens digit (that is, both are numbered 0-9 or 10-19 or 20-29, etc.), the player is a winner. If the first marble drawn is numbered 56, what is the probability that Terry will be a winner on the next draw?

(A)image

(B) image

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The Correct Answer

70 is 10% of what number?

(A)7 (B) 63 (C) 77 (D) 700 (E) 7,000

Correct Answer: D

If a cube has a volume of kcm3and a surface area of 10k cm2, what is its height in centimeters?

(F) (G) (H) (J) (K)

Correct Answer: H

"If Jenny is home, then her car is in the driveway." If the previous statement is true, then which of the following must also be true?

(A)"If Jenny's car is in the driveway, then she is home." (B) "If Jenny is not home, then her car is in the driveway." (C) "If Jenny is not home, then her car is not in the driveway." (D) "If Jenny's car is not in the driveway, then she is home." (E) "If Jenny's car is not in the driveway, then she is not home."

Correct Answer: E

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