Admission Tests Admission Tests Certifications GMAT-QUANTITIVE Questions & Answers

• Question 381:

  The average age of Eric and George is 10 years smaller than the average age of Martha and Bella. If Martha is six years older than Eric, how much older is Bella from George?

  A. 2.

  B. 8.

  C. 10.

  D. 12.

  E. 14.

  Correct Answer: E

  Write the equation: (Eric + George)/2 -10 = (Bella + Martha)/2 Eric+George+20=Bella+Martha, The girls are 20 years older than the boys, if one is older only by 6 than the other one has to be older by 14.

• Question 382:

  Z is 120% of Y. X is smaller than Z by 80%.

  What percentage is X of Y?

  A. 96%

  B. 24%

  C. 50%

  D. 40%

  E. 45%

  Correct Answer: B

  Pick numbers: Y=100 ---> Z=120 ---> X = 0.2 x 120 = 24. X/Y = 24%

• Question 383:

  Following an increase in prices, the price of a candy box was 10 pounds and the price of a can of soda was 6 pounds. If the price of a candy box was raised by 25%, and the price of a can of soda was raised by 50%. What was the price of a box of candy plus a can of soda before prices were raised?

  A. 11.

  B. 12.

  C. 13.

  D. 14.

  E. 14.5.

  Correct Answer: B

  For the candy box, 10 pounds is 125%; therefore the original price was 8 pounds. The same thing goes with the soda, 6 pounds is 150%, and therefore the original price was 4. The price of both products together was 12p before the rise.

• Question 384:

  In a chocolate store, all chocolates are either vanilla or cocoa flavored only.

  10% of the chocolates are cocoa flavored, 90% of the rest are squashed.

  What percentage of the chocolates are both vanilla flavored and not squashed?

  A. 1%

  B. 5%

  C. 9%

  D. 10%

  E. 2%

  Correct Answer: C

  Pick a number of chocolates; it is best to take 100 as an example. 10 are cocoa, 90% of the rest (0.9 x 90 = 81) are squashed. That means that only 9 are both vanilla flavored and not squashed.

• Question 385:

  Michael, Steve and Tyler shared a box of cookies. Michael ate 1/8 of the cookies, Steve ate one half and Tyler ate 150 more cookies than Michael. If no cookies remain in the box, how many cookies were in the box?

  A. 1200.

  B. 600.

  C. 800.

  D. 400.

  E. 550.

  Correct Answer: B

  The fastest way is to try the answers, take 600. Michael ate (600/8) 75 cookies, Steve ate 300 and Tyler ate 225. Adding the numbers and you'll get 600 cookies again.

• Question 386:

  The price of a pasta box in the neighborhood grocery store is $7; the price of a pasta box in the market is $5. A bus ticket to the market costs $4.70 (one way). What is the minimum number of pasta boxes that must be bought so the trip would be economically worthwhile?

  A. 5.

  B. 6.

  C. 3.

  D. 4.

  E. 7.

  Correct Answer: C

  The price difference between the two places is (7 -5) = $2 per box. The bus ride back and Forth is $9.4. If he buys at least 5 boxes the trip to the market will be worthwhile.

• Question 387:

  A cup can hold one third of the amount a bowl can hold. A pot can hold six times more than a cup. How many pots can be filled with a liquid that takes up 6 bowls?

  A. 1.

  B. 2.

  C. 3.5.

  D. 4.

  E. 5.5.

  Correct Answer: B

  Try some numbers. One cup can hold 1 liter one bowl can hold 3 liters, a put can hold 9 liters. 6 bowls hold 18 liters and that can fill up two pots.

• Question 388:

  If a, b, c and d are consecutive integers (a

  What is the value of (d+c) -(b+a)?

  A. 1.

  B. 2.

  C. 3.

  D. 4.

  E. 0.

  Correct Answer: E

  Plug in some numbers. Try a=1, b=2, c=3 and d=4.

  (d+c) -(b+a) = 7 -3 = 4. It will work with any number since the difference between any two consecutive

  integers is always 1.

• Question 389:

  A, B and C are consecutive integers. If X = (A x B x C)/2, what can be said about X?

  A. X is even.

  B. X is divisible by 3.

  C. X is divisible by 5.

  D. X is positive.

  E. X is a fraction.

  Correct Answer: B

  A product of three consecutive integers is divisible by 6, therefore when divided by 2 it is still divisible by 3.

• Question 390:

  If A, B and C are consecutive integers (A

  A. 6.

  B. 5.

  C. 4.

  D. 3.

  E. 2.

  Correct Answer: A

  B is the number following A, thus 6A -4(A+1) = A -->; A = 4 -->; C = 6.