Concept-wise Practice

405 square MCQ Questions for Class 9

405 square se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with 405 square.

\( 405^2 \) को पहचान से निकालने पर सही मान क्या है?

What is the correct value of \( 405^2 \) using an identity?

Explanation opens after your attempt
Correct Answer

A. (164025)सही मान

Step 1

Concept

(4052=(400+5)2=160000+4000+25=164025). Exam tip: add both (2ab) and \(b^2\).

Step 2

Why this answer is correct

The correct answer is A. (164025) / सही मान. (4052=(400+5)2=160000+4000+25=164025). Exam tip: add both (2ab) and \(b^2\).

Step 3

Exam Tip

(4052=(400+5)2=160000+4000+25=164025)। परीक्षा में (2ab) और \(b^2\) दोनों जोड़ें।

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