यदि (a<0) और (b>0), तो (ab) के बारे में कौन सा कथन हमेशा सत्य है?

If (a<0) and (b>0), which statement about (ab) is always true?

Explanation opens after your attempt
Correct Answer

B. (ab<0)

Step 1

Concept

The product of a negative and a positive number is always negative, so (ab<0). In sign-based questions, also check the possibility of zero.

Step 2

Why this answer is correct

The correct answer is B. (ab<0). The product of a negative and a positive number is always negative, so (ab<0). In sign-based questions, also check the possibility of zero.

Step 3

Exam Tip

ऋणात्मक और धनात्मक संख्या का गुणनफल हमेशा ऋणात्मक होता है इसलिए (ab<0)। चिन्ह आधारित प्रश्नों में शून्य की संभावना भी देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (a<0) और (b>0), तो (ab) के बारे में कौन सा कथन हमेशा सत्य है? / If (a<0) and (b>0), which statement about (ab) is always true?

Correct Answer: B. (ab<0). Explanation: ऋणात्मक और धनात्मक संख्या का गुणनफल हमेशा ऋणात्मक होता है इसलिए (ab<0)। चिन्ह आधारित प्रश्नों में शून्य की संभावना भी देखें। / The product of a negative and a positive number is always negative, so (ab<0). In sign-based questions, also check the possibility of zero.

Which concept should I revise for this Mathematics MCQ?

The product of a negative and a positive number is always negative, so (ab<0). In sign-based questions, also check the possibility of zero.

What exam hint can help solve this Mathematics question?

ऋणात्मक और धनात्मक संख्या का गुणनफल हमेशा ऋणात्मक होता है इसलिए (ab<0)। चिन्ह आधारित प्रश्नों में शून्य की संभावना भी देखें।