यदि \(x\in\mathbb{Z}\) और \(1\le\frac{5x-2}{3}<8\), तो (x) के कितने मान हैं?

If \(x\in\mathbb{Z}\) and \(1\le\frac{5x-2}{3}<8\), how many values of (x) are there?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

This gives \(3\le5x-2<24\), i.e. \(5\le5x<26\). Hence \(1\le x<\frac{26}{5}\), so (x=1,2,3,4,5).

Step 2

Why this answer is correct

The correct answer is B. (5). This gives \(3\le5x-2<24\), i.e. \(5\le5x<26\). Hence \(1\le x<\frac{26}{5}\), so (x=1,2,3,4,5).

Step 3

Exam Tip

इससे \(3\le5x-2<24\), यानी \(5\le5x<26\) मिलता है। इसलिए \(1\le x<\frac{26}{5}\), अतः (x=1,2,3,4,5)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x\in\mathbb{Z}\) और \(1\le\frac{5x-2}{3}<8\), तो (x) के कितने मान हैं? / If \(x\in\mathbb{Z}\) and \(1\le\frac{5x-2}{3}<8\), how many values of (x) are there?

Correct Answer: B. (5). Explanation: इससे \(3\le5x-2<24\), यानी \(5\le5x<26\) मिलता है। इसलिए \(1\le x<\frac{26}{5}\), अतः (x=1,2,3,4,5)। / This gives \(3\le5x-2<24\), i.e. \(5\le5x<26\). Hence \(1\le x<\frac{26}{5}\), so (x=1,2,3,4,5).

Which concept should I revise for this Mathematics MCQ?

This gives \(3\le5x-2<24\), i.e. \(5\le5x<26\). Hence \(1\le x<\frac{26}{5}\), so (x=1,2,3,4,5).

What exam hint can help solve this Mathematics question?

इससे \(3\le5x-2<24\), यानी \(5\le5x<26\) मिलता है। इसलिए \(1\le x<\frac{26}{5}\), अतः (x=1,2,3,4,5)।