नियम \(a_n=90-7n\) से बनने वाला पाँचवाँ पद क्या है?
What is the fifth term formed by \(a_n=90-7n\)?
Explanation opens after your attempt
C. (55)
Concept
Putting (n=5), \(a_5=90-35=55\). Pay attention to the sign in subtraction rules.
Why this answer is correct
The correct answer is C. (55). Putting (n=5), \(a_5=90-35=55\). Pay attention to the sign in subtraction rules.
Exam Tip
(n=5) रखने पर \(a_5=90-35=55\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें।
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