यदि (a=2) और (r=3) है, तो पहले (5) पदों का योग क्या होगा?
If (a=2) and (r=3), what will be the sum of the first (5) terms?
Explanation opens after your attempt
B. (242)
Concept
The first (5) terms are (2,6,18,54,162), and their sum is (242). Write the terms in order and add.
Why this answer is correct
The correct answer is B. (242). The first (5) terms are (2,6,18,54,162), and their sum is (242). Write the terms in order and add.
Exam Tip
पहले (5) पद (2,6,18,54,162) हैं और योग (242) है। पदों को क्रम से लिखकर जोड़ें।
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