एक वस्तु की कीमत (P(n)=a+12n) है। यदि (P(3)=86), तो (P(8)) क्या है?
The price of an item is (P(n)=a+12n). If (P(3)=86), what is (P(8))?
Explanation opens after your attempt
B. (146)
Concept
From (a+36=86), (a=50). (P(8)=50+96=146).
Why this answer is correct
The correct answer is B. (146). From (a+36=86), (a=50). (P(8)=50+96=146).
Exam Tip
(a+36=86) से (a=50) है। (P(8)=50+96=146) है।
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