नियम \(a_n=70-5n\) से बनने वाला चौथा पद क्या है?
What is the fourth term formed by \(a_n=70-5n\)?
Explanation opens after your attempt
B. (50)
Concept
Putting (n=4), \(a_4=70-20=50\). Pay attention to the sign in subtraction rules.
Why this answer is correct
The correct answer is B. (50). Putting (n=4), \(a_4=70-20=50\). Pay attention to the sign in subtraction rules.
Exam Tip
(n=4) रखने पर \(a_4=70-20=50\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें।
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