यदि (P(t)=60+5t), तो (P(5)+P(15)) किस एक (P(k)) के दोगुने के बराबर है?
If (P(t)=60+5t), (P(5)+P(15)) is equal to twice which (P(k))?
Explanation opens after your attempt
C. (P(10))
Concept
In a linear model the midpoint of (5) and (15) is (10). Therefore (P(5)+P(15)=2P(10)).
Why this answer is correct
The correct answer is C. (P(10)). In a linear model the midpoint of (5) and (15) is (10). Therefore (P(5)+P(15)=2P(10)).
Exam Tip
रेखीय मॉडल में (5) और (15) का मध्य (10) है। इसलिए (P(5)+P(15)=2P(10)) होता है।
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