एक वस्तु की कीमत (P(n)=a+25n) है। यदि (P(4)=210), तो (P(12)) क्या है?
The price of an item is (P(n)=a+25n). If (P(4)=210), what is (P(12))?
Explanation opens after your attempt
C. (410)
Concept
From (a+100=210), (a=110). (P(12)=110+300=410).
Why this answer is correct
The correct answer is C. (410). From (a+100=210), (a=110). (P(12)=110+300=410).
Exam Tip
(a+100=210) से (a=110) है। (P(12)=110+300=410) है।
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