यदि (Q(t)=210-7t), तो (Q(3)+Q(15)) किस एक (Q(k)) के दोगुने के बराबर है?

If (Q(t)=210-7t), (Q(3)+Q(15)) is equal to twice which (Q(k))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (Q(9))

Step 1

Concept

In a linear model the midpoint of (3) and (15) is (9). Therefore (Q(3)+Q(15)=2Q(9)).

Step 2

Why this answer is correct

The correct answer is B. (Q(9)). In a linear model the midpoint of (3) and (15) is (9). Therefore (Q(3)+Q(15)=2Q(9)).

Step 3

Exam Tip

रेखीय मॉडल में (3) और (15) का मध्य (9) है। इसलिए (Q(3)+Q(15)=2Q(9)) होता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (Q(t)=210-7t), तो (Q(3)+Q(15)) किस एक (Q(k)) के दोगुने के बराबर है? / If (Q(t)=210-7t), (Q(3)+Q(15)) is equal to twice which (Q(k))?

Correct Answer: B. (Q(9)). Explanation: रेखीय मॉडल में (3) और (15) का मध्य (9) है। इसलिए (Q(3)+Q(15)=2Q(9)) होता है। / In a linear model the midpoint of (3) and (15) is (9). Therefore (Q(3)+Q(15)=2Q(9)).

Which concept should I revise for this Mathematics MCQ?

In a linear model the midpoint of (3) and (15) is (9). Therefore (Q(3)+Q(15)=2Q(9)).

What exam hint can help solve this Mathematics question?

रेखीय मॉडल में (3) और (15) का मध्य (9) है। इसलिए (Q(3)+Q(15)=2Q(9)) होता है।