यदि (n\(A\times B\)=12) और (n(A)=3) है, तो (n(B)) कितना होगा?

If (n\(A\times B\)=12) and (n(A)=3), what is (n(B))?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

(n\(A\times B\)=n(A)n(B)), so (12=3n(B)) and (n(B)=4). Divide to find the unknown count.

Step 2

Why this answer is correct

The correct answer is B. (4). (n\(A\times B\)=n(A)n(B)), so (12=3n(B)) and (n(B)=4). Divide to find the unknown count.

Step 3

Exam Tip

(n\(A\times B\)=n(A)n(B)), इसलिए (12=3n(B)) और (n(B)=4)। अज्ञात संख्या निकालने के लिए भाग दें।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\times B\)=12) और (n(A)=3) है, तो (n(B)) कितना होगा? / If (n\(A\times B\)=12) and (n(A)=3), what is (n(B))?

Correct Answer: B. (4). Explanation: (n\(A\times B\)=n(A)n(B)), इसलिए (12=3n(B)) और (n(B)=4)। अज्ञात संख्या निकालने के लिए भाग दें। / (n\(A\times B\)=n(A)n(B)), so (12=3n(B)) and (n(B)=4). Divide to find the unknown count.

Which concept should I revise for this Mathematics MCQ?

(n\(A\times B\)=n(A)n(B)), so (12=3n(B)) and (n(B)=4). Divide to find the unknown count.

What exam hint can help solve this Mathematics question?

(n\(A\times B\)=n(A)n(B)), इसलिए (12=3n(B)) और (n(B)=4)। अज्ञात संख्या निकालने के लिए भाग दें।