यदि (Q(t)=250-10t), तो (Q(4)+Q(16)) किस एक (Q(k)) के दोगुने के बराबर है?
If (Q(t)=250-10t), (Q(4)+Q(16)) is equal to twice which (Q(k))?
Explanation opens after your attempt
B. (Q(10))
Concept
In a linear model the midpoint of (4) and (16) is (10). Therefore (Q(4)+Q(16)=2Q(10)).
Why this answer is correct
The correct answer is B. (Q(10)). In a linear model the midpoint of (4) and (16) is (10). Therefore (Q(4)+Q(16)=2Q(10)).
Exam Tip
रेखीय मॉडल में (4) और (16) का मध्य (10) है। इसलिए (Q(4)+Q(16)=2Q(10)) होता है।
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