यदि किसी गुणोत्तर श्रेढ़ी में पहला पद (4) और सार्व अनुपात (5) है, तो तीसरा पद क्या होगा?

If a geometric progression has first term (4) and common ratio (5), what is the third term?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (100)

Step 1

Concept

\(a_3=4\cdot5^2=100\). In the (n)th term the exponent of the ratio is (n-1).

Step 2

Why this answer is correct

The correct answer is A. (100). \(a_3=4\cdot5^2=100\). In the (n)th term the exponent of the ratio is (n-1).

Step 3

Exam Tip

\(a_3=4\cdot5^2=100\)। (n)वें पद में अनुपात की घात (n-1) होती है।

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Mathematics Answer, Explanation and Revision Hints

यदि किसी गुणोत्तर श्रेढ़ी में पहला पद (4) और सार्व अनुपात (5) है, तो तीसरा पद क्या होगा? / If a geometric progression has first term (4) and common ratio (5), what is the third term?

Correct Answer: A. (100). Explanation: \(a_3=4\cdot5^2=100\)। (n)वें पद में अनुपात की घात (n-1) होती है। / \(a_3=4\cdot5^2=100\). In the (n)th term the exponent of the ratio is (n-1).

Which concept should I revise for this Mathematics MCQ?

\(a_3=4\cdot5^2=100\). In the (n)th term the exponent of the ratio is (n-1).

What exam hint can help solve this Mathematics question?

\(a_3=4\cdot5^2=100\)। (n)वें पद में अनुपात की घात (n-1) होती है।