Problem Solving

GMAT Question of the Day (Aug 15): Combinations and Critical Reasoning

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Math (PS) 10 business executives and 7 chairmen meet at a conference. If each business executive shakes the hand of every other business executive and every chairman once, and each chairman shakes the hand of each of the business executives but not the other chairmen, how...

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GMAT Question of the Day (Aug 10): Arithmetic and Sentence Correction

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Math (PS) What is the value of if the sum of odd, consecutive, positive integers from 1 to equals 441? (A) 47 (B) 41 (C) 37 (D) 33 (E) 29 Question Discussion & Explanation Correct Answer - B - (click and drag your mouse to see the answer) GMAT Daily Deals Save $350...

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GMAT Question of the Day (Aug 7): Probability and Critical Reasoning

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Math (PS) A flower shop has 2 tulips, 2 roses, 2 daisies, and 2 lilies. If two flowers are sold at random, what is the probability of not picking exactly two tulips? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer - E - (click and...

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GMAT Question of the Day (Aug 3): Combinations and Critical Reasoning

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Math (PS) Carly has 3 movies that she can watch during the weekend: 1 Action movie, 1 Comedy, and 1 Drama. However, she needs to watch the Drama 3 times. Assuming Carly has time for 5 movies and intends to watch all of them, in how...

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GMAT Question of the Day (Aug 1): Word Problem and Sentence Correction

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Math (PS) Kate and David each have $10. Together they flip a coin 5 times. Every time the coin lands on heads, Kate gives David $1. Every time the coin lands on tails, David gives Kate $1. After the coin is flipped 5 times, what is...

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GMAT Question of the Day (July 27): Counting and Critical Reasoning

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Math (PS) The choir consists of 5 boys and 6 girls. In how many ways can the singers be arranged in a row, so that all the boys are together? Do not differentiate between arrangements that are obtained by swapping two boys or two girls. (A) 120 (B)...

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GMAT Question of the Day (July 24): Mixture Problem and Critical Reasoning

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Math (PS) There are two bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver, and the other has 3 parts of gold to 7 parts of silver. If both bars are melted into a 8-kg bar with the final...

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GMAT Question of the Day (July 20): Counting and Sentence Correction

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Math (PS) If one of two parallel lines has 7 points on it and the other has 8, how many triangles can be drawn using the points? (A) 168 (B) 196 (C) 316 (D) 364 (E) 455 Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to see...

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GMAT Question of the Day (July 18): Word Problem and Critical Reasoning

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Math (PS) A number of light bulbs were purchased to illuminate a gym. However, only of them were needed. The extra 160 light bulbs were returned. 60% percent of their cost, or $96, was reimbursed. How much money was spent on illuminating the gym? (A) 360 (B)...

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GMAT Question of the Day (July 17): Arithmetic and Critical Reasoning

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Math (PS) How many distinct integers are factors of 90? (A) 6 (B) 8 (C) 9 (D) 10 (E) 12 Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals Excellent: Knewton Gmat Prep, $350 total savings when you enroll via GMAT Club. Limited...

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