GMAT Question of the Day – Problem Solving – Number Properties (digits) What is the units digit of 88^47 – 98^37? A. 2 B. 4 C. 6 D. 7 E. 8 [spoiler]B.[/spoiler] GMAT Question of the Day Solution Did you pick C? That’s the twist. Skip down for why C is wrong. The units digit […]
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GMAT Question of the Day – Problem Solving – Overlapping Sets (3 Group) 28 students in the senior class participate in at least one of three clubs. 24 of them are in the science club,16 are in the math club, 18 are in the history club, and 21 participate in at least two of the
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GMAT Question of the Day – Data Sufficiency – Number Properties Set x contains only positive integers. What is the range of set x? (1) The sum of the greatest number and the least number in set x is 10. (2) The range of the squares of set x is 60 [spoiler]C.[/spoiler] GMAT Question of
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GMAT Question of the Day – Problem Solving – Puzzle 2 If the sum of the digits of 10^42 – x is 368. Which of the following could be a value of x? A. 26 B. 27 C. 28 D. 29 E. 30 [spoiler]D.[/spoiler] GMAT Question of the Day Solution The GMAT scientists love to use powers of 10 because
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GMAT Question of the Day – Data Sufficiency – Geometry Is the perimeter of parallelogram ABCD greater than 10? (1) Sides AB and BC are in a ratio greater than 7 to 1 (2) The distance from A to C is 5 [spoiler]B.[/spoiler] GMAT Question of the Day Solution: (1) The sides being in a
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