GRE Exam Numerical Ability Permutation and Combination

7 teams complete in a track competition. If there are 20 events in the competition, no event ends in a tie, no two team wins more than 3 events, what is the minimum possible number of teams that won at least one event ?

A. 3

B. 4

C. 5

D. 6

E. 7

Read Solution (Total 2)

GRE Other Question


The average salary per head of all the employees of an institution is $60. The average salary per head of 12 officers is $400 and average salary per head of the rest is $56. Find the total number of employees in the institution.
a)1000
b)900
c)1030
d)1032
e)950
four friends P,Q,R,S visit a crossword a bookstore every 1st,2nd,3rd,4th sundays resp.if they start a fresh in a new year,how many times will all the four meet a whole year