Concept-wise Practice

divide-by-four MCQ Questions for Class 9

divide-by-four se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

2 questions tagged with divide-by-four.

यदि \(a_1=128\) और \(a_{n+1}=\frac{a_n}{4}\) है तो \(a_3\) क्या होगा?

If \(a_1=128\) and \(a_{n+1}=\frac{a_n}{4}\), what is \(a_3\)?

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

The terms are (128,32,8), so \(a_3=8\). Exam tip: divide the previous term by (4) each time.

Step 2

Why this answer is correct

The correct answer is C. (8). The terms are (128,32,8), so \(a_3=8\). Exam tip: divide the previous term by (4) each time.

Step 3

Exam Tip

पद (128,32,8) हैं इसलिए \(a_3=8\) है। हर बार पिछले पद को (4) से भाग दें।

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यदि \(a_1=96\) और \(a_{n+1}=\frac{a_n}{4}\) है तो \(a_3\) क्या होगा?

If \(a_1=96\) and \(a_{n+1}=\frac{a_n}{4}\), what is \(a_3\)?

Explanation opens after your attempt
Correct Answer

B. (6)

Step 1

Concept

The terms are (96,24,6), so \(a_3=6\). Exam tip: divide the previous term by (4) each time.

Step 2

Why this answer is correct

The correct answer is B. (6). The terms are (96,24,6), so \(a_3=6\). Exam tip: divide the previous term by (4) each time.

Step 3

Exam Tip

पद (96,24,6) हैं इसलिए \(a_3=6\) है। हर बार पिछले पद को (4) से भाग दें।

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