यदि (u=18q+11), तो \(u^2-u\) को 18 से भाग देने पर शेषफल क्या होगा?

If (u=18q+11), what is the remainder when \(u^2-u\) is divided by 18?

Explanation opens after your attempt
Correct Answer

B. 2

Step 1

Concept

The remainder of (u) is 11.

Step 2

Why this answer is correct

The remainder of \(u^2-u\) comes from \(11^2-11=110\).

Step 3

Exam Tip

\(110=18\times6+2\), so the remainder is 2. चरण 1: (u) का शेषफल 11 है। चरण 2: \(u^2-u\) का शेषफल \(11^2-11=110\) से मिलेगा। चरण 3: \(110=18\times6+2\), इसलिए शेषफल 2 है।

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Mathematics Answer, Explanation and Revision Hints

यदि (u=18q+11), तो \(u^2-u\) को 18 से भाग देने पर शेषफल क्या होगा? / If (u=18q+11), what is the remainder when \(u^2-u\) is divided by 18?

Correct Answer: B. 2. Explanation: चरण 1: (u) का शेषफल 11 है। चरण 2: \(u^2-u\) का शेषफल \(11^2-11=110\) से मिलेगा। चरण 3: \(110=18\times6+2\), इसलिए शेषफल 2 है। / Step 1: The remainder of (u) is 11. Step 2: The remainder of \(u^2-u\) comes from \(11^2-11=110\). Step 3: \(110=18\times6+2\), so the remainder is 2.

Which concept should I revise for this Mathematics MCQ?

The remainder of (u) is 11.

What exam hint can help solve this Mathematics question?

\(110=18\times6+2\), so the remainder is 2. चरण 1: (u) का शेषफल 11 है। चरण 2: \(u^2-u\) का शेषफल \(11^2-11=110\) से मिलेगा। चरण 3: \(110=18\times6+2\), इसलिए शेषफल 2 है।