गुणोत्तर श्रेढ़ी \(4,20,100,\ldots\) का (4)वाँ पद क्या है?

What is the (4)th term of the geometric progression \(4,20,100,\ldots\)?

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Correct Answer

B. (500)

Step 1

Concept

The common ratio is (5), so \(a_4=4\cdot5^3=500\). In a geometric term, the exponent of the ratio is (n-1).

Step 2

Why this answer is correct

The correct answer is B. (500). The common ratio is (5), so \(a_4=4\cdot5^3=500\). In a geometric term, the exponent of the ratio is (n-1).

Step 3

Exam Tip

सार्व अनुपात (5) है, इसलिए \(a_4=4\cdot5^3=500\)। गुणोत्तर पद में अनुपात की घात (n-1) होती है।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(4,20,100,\ldots\) का (4)वाँ पद क्या है? / What is the (4)th term of the geometric progression \(4,20,100,\ldots\)?

Correct Answer: B. (500). Explanation: सार्व अनुपात (5) है, इसलिए \(a_4=4\cdot5^3=500\)। गुणोत्तर पद में अनुपात की घात (n-1) होती है। / The common ratio is (5), so \(a_4=4\cdot5^3=500\). In a geometric term, the exponent of the ratio is (n-1).

Which concept should I revise for this Mathematics MCQ?

The common ratio is (5), so \(a_4=4\cdot5^3=500\). In a geometric term, the exponent of the ratio is (n-1).

What exam hint can help solve this Mathematics question?

सार्व अनुपात (5) है, इसलिए \(a_4=4\cdot5^3=500\)। गुणोत्तर पद में अनुपात की घात (n-1) होती है।