यदि \(A=\{1,2,5\}\) और \(B=\{2,4,6\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (x+y>7)?

If \(A=\{1,2,5\}\) and \(B=\{2,4,6\}\), how many pairs ((x,y)) in \(A\times B\) satisfy (x+y>7)?

Explanation opens after your attempt
Correct Answer

B. (3)

Step 1

Concept

The valid pairs are ((2,6),(5,4),(5,6)). Pairs with (x+y=7) are not included.

Step 2

Why this answer is correct

The correct answer is B. (3). The valid pairs are ((2,6),(5,4),(5,6)). Pairs with (x+y=7) are not included.

Step 3

Exam Tip

सही युग्म ((2,6),(5,4),(5,6)) हैं। (x+y=7) वाले युग्म शामिल नहीं होंगे।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,5\}\) और \(B=\{2,4,6\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (x+y>7)? / If \(A=\{1,2,5\}\) and \(B=\{2,4,6\}\), how many pairs ((x,y)) in \(A\times B\) satisfy (x+y>7)?

Correct Answer: B. (3). Explanation: सही युग्म ((2,6),(5,4),(5,6)) हैं। (x+y=7) वाले युग्म शामिल नहीं होंगे। / The valid pairs are ((2,6),(5,4),(5,6)). Pairs with (x+y=7) are not included.

Which concept should I revise for this Mathematics MCQ?

The valid pairs are ((2,6),(5,4),(5,6)). Pairs with (x+y=7) are not included.

What exam hint can help solve this Mathematics question?

सही युग्म ((2,6),(5,4),(5,6)) हैं। (x+y=7) वाले युग्म शामिल नहीं होंगे।