Brain Busters GMAT Mini Quiz

10 Questions | Total Attempts: 124

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Brain Busters GMAT Mini Quiz


Questions and Answers
  • 1. 
    John drove on a highway at a constant speed of r miles per hour in 13:00. Then, 2 hours later, Tom drove on the same highway at a constant speed of 4r/3 miles per hour in 15:00. If both drivers maintained their speed, how many did John drive on a highway, in miles, when Tom caught up with John? A. 3r B. 5r C. 8r D. 9r E. 10r
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      A

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      B

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      C

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      D

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      E

  • 2. 
    If the greatest common divisor of (n+2)!, (n-2)!, and (n+4)! is 120, what is the value of n?A. 4 B. 5 C. 6 D. 7 E. 3
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      A

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      B

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      C

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      D

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      E

  • 3. 
    If x=-1 and n is the sum of the second 101 prime numbers, what is the value of xn+x(n+1)+x(n+2)+x(n+3)x^n+x^(n+1)+x^(n+2)+x^‚Äč(n+3)?A. -2 B. -1 C. 0 D. 1 E. 2
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      A

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      B

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      D

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      E

  • 4. 
    What is the greatest possible number of points at which 11 circles with different radii intersected one another?A. 45 B. 60 C. 85 D. 90 E. 110
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      A

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      B

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      E

  • 5. 
    A box contains 100 balls, numbered from 1 to 100. If 3 balls are selected at random and with replacement from the box. If the 3 numbers on the balls selected contain two odd and one even. What is the probability that the first ball picked up is odd numbered?(A) 0(B) 1/3(C) 1/2(D) 2/3(E) 1
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      A

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      B

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      E

  • 6. 
    X Y+Y X________The sum of the two digit numbers above is a three digit number PQ5, where each letter X, Y, P, and Q represents a different non zero digit. Which of the following can be the value of X?I) 7II) 8III) 9(A) I only(B) II only (C) III only (D) I and II only(E) I , II and III
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      A

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      B

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      E

  • 7. 
    If x and y are integers, are they consecutive?(1) x + y = 2(2) x - y = 4
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      A

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      B

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      C

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      E

  • 8. 
    X + y = ?(1) y=2x−1(2)y^2=−|1−2x|
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      A

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      B

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      E

  • 9. 
    If a, b, and c are the tenths digit, the hundredths digit, and the thousandths digit of 0.abc, is 0.abc > 2/3?(1) a + b > 14(2) a + c > 15
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      A

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      B

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      E

  • 10. 
    If |3x| > |4y|, is x > y?(1) x > 0(2) y > 0
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      A

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      B

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      C

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      E

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