यदि (a=1) और (r=2) है, तो पहले (6) पदों का योग क्या होगा?
If (a=1) and (r=2), what will be the sum of the first (6) terms?
Explanation opens after your attempt
B. (63)
Concept
The first (6) terms are (1,2,4,8,16,32), and their sum is (63). Add powers of (2) carefully.
Why this answer is correct
The correct answer is B. (63). The first (6) terms are (1,2,4,8,16,32), and their sum is (63). Add powers of (2) carefully.
Exam Tip
पहले (6) पद (1,2,4,8,16,32) हैं और योग (63) है। (2) की घातों के योग को ध्यान से जोड़ें।
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