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

By - Aug 3, 02:00 AM Comments [0]

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 many ways can she do so?

(A) 6
(B) 20
(C) 24
(D) 60
(E) 120

Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)

GMAT Daily Deals
  • Knewton Gmat, a powerful adaptive learning system plus exclusive GMAT Club savings of $350. Save today!
  • Listen to Brian, an Aringo consultant, explain how to get into top MBA programs with a low GMAT score. Listen here.
  • Amerasia discount of 10% exclusively through GMAT Club gets you a boutique, one-on-one custom experience. Learn more!
  • Stratus Prep recently partnered with GMAT Club to offer you 10% off consulting services plus a free consultation! Save with GMAT Club!

Verbal (CR)

A recent study of college students shows that, contrary to predicted results, special nutritional planning does not positively affect students’ grades. Sixty students, half of whom were given a nutritionally balanced diet, had grades no higher than did those students who were not placed on the diet plan.

Which of the following, if true, is most useful in determining the accuracy of the study described above?

(A) Performance of business executives was shown to improve drastically after major alterations were made in their diets.
(B) Honors students, after altering their diets, maintained that they did not change their study habits.
(C) Students who participated in various fitness regimens found that their grades improved appreciably after they altered their exercise habits.
(D) High school students who previously had low grades found that after they altered their diets, their grades improved dramatically.
(E) All of the college students who volunteered for the study were either in their first or second year of college.

Question Discussion & Explanation
Correct Answer - D - (click and drag your mouse to see the answer)

Like these questions? Get the GMAT Club question collection: online at GMAT Club OR on your Kindle OR on your iPhone/iPad

Browse all GMAT Questions of the Day

Subscribe to GMAT Question of the Day: E-mail | RSS

Leave a Reply

[0] Comments to this Article