C-02-Q112mediumsingle_mcq

If $P = \{2, 3, 4\}$ , $Q = \{4, 6\}$ and the relation is $y = 2x$ , then $R =$

a $\{(2, 4), (3, 6)\}$
b $\{(4, 2), (6, 3)\}$
c $\{(2, 4), (4, 6)\}$
d $\{(3, 6), (4, 6)\}$

ব্যাখ্যা

Applying $y=2x$ : for $x=2$ , $y=4\in Q$ ; for $x=3$ , $y=6\in Q$ ; for $x=4$ , $y=8\notin Q$ . Only the first two pairs qualify, giving $\{(2,4),(3,6)\}$ .

এই অধ্যায়ের আরও প্রশ্ন

C-02-Q113If , and the relation is , then
C-02-Q114If is a relation from set to set , then—
C-02-Q115If means " is related to under ", then —
C-02-Q116For a relation, the set of first elements of the ordered pairs is called the—
C-02-Q117For a relation, the set of second elements of the ordered pairs is called the—
C-02-Q118For ,
C-02-Q119For ,
C-02-Q120If and , then
C-02-Q121For the relation above,
C-02-Q122For the same relation,

Sets and Functions — সব প্রশ্ন দেখুন (153টি) →

If $P = \{2, 3, 4\}$ , $Q = \{4, 6\}$ and the relation is $y = 2x$ , then $R =$

\{(2, 4), (3, 6)\}

\{(4, 2), (6, 3)\}

\{(2, 4), (4, 6)\}

\{(3, 6), (4, 6)\}

ব্যাখ্যা

Applying $y=2x$ : for $x=2$ , $y=4\in Q$ ; for $x=3$ , $y=6\in Q$ ; for $x=4$ , $y=8\notin Q$ . Only the first two pairs qualify, giving $\{(2,4),(3,6)\}$ .

If P={2,3,4}P = \{2, 3, 4\}P={2,3,4}, Q={4,6}Q = \{4, 6\}Q={4,6} and the relation is y=2xy = 2xy=2x, then R=R =R=

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

If P={2,3,4}P = \{2, 3, 4\}P={2,3,4}, Q={4,6}Q = \{4, 6\}Q={4,6} and the relation is y=2xy = 2xy=2x, then R=R =R=

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

If $P = \{2, 3, 4\}$ , $Q = \{4, 6\}$ and the relation is $y = 2x$ , then $R =$

If $P = \{2, 3, 4\}$ , $Q = \{4, 6\}$ and the relation is $y = 2x$ , then $R =$