TANCET
Group Studies
Mock Tests
Notes
Library
Join Now
Question Practice
Share
Target (sec):
00:00
Question 1
Share
Let A = {1,2,3, ... , 20}. Let $R\subseteq A\times A$ such that R = {(x,y): y = 2x - 7}. Then the number of elements in R, is equal to
A.
10
B.
13
C.
7
D.
17
Discussion
Join the Conversation
Log in to post comments and replies.
Log In
Open Discussion
ā Question: Practice this question with detailed solutions and... | TANCET Group Studies | Tancet Group Studies