यदि \(A=\{1,2,3,4,5\}\) और \(B=\{0,1\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (x) अभाज्य है?
If \(A=\{1,2,3,4,5\}\) and \(B=\{0,1\}\), how many pairs ((x,y)) in \(A\times B\) have (x) prime?
Explanation opens after your attempt
Correct Answer
C. (6)
Concept
The prime elements in (A) are (2,3,5), and each pairs with (2) elements of (B). Therefore \(3\times2=6\) pairs are formed.
Why this answer is correct
The correct answer is C. (6). The prime elements in (A) are (2,3,5), and each pairs with (2) elements of (B). Therefore \(3\times2=6\) pairs are formed.
Exam Tip
(A) में अभाज्य अवयव (2,3,5) हैं और हर एक (B) के (2) अवयवों से जुड़ता है। इसलिए \(3\times2=6\) युग्म होंगे।
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