GRE Math Practice Question. Permutation Combination. Easy Question - Videos

0
60

Video explanation to a GRE problem solving practice question in permutation combination. An easy question.

Concept: n choose r. Sampling without replacement and where the order does not matter.

Question
In how many ways can 3 students be selected from a group of 12 students to represent a school in the inter school essay competition?
A. 33
B. 12!
C. 1320
D. 220
E. 36

More GRE math and verbal practice questions @ https://practice-questions.wizako.com/gre/

Sign up for effective GRE classes @ Chennai by Wizako @ https://classes.wizako.com/gre/

source

LEAVE A REPLY

Please enter your comment!
Please enter your name here