Concept-wise Practice

option based MCQ Questions for Class 10

option based 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 option based.

Question 1/1 Expert Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 7

यदि किसी संख्या के अभाज्य गुणनखंड (2,3,5) हैं और कुल गुणनखंड (60) हैं, तो कौन सा अभाज्य रूप संभव है?

If a number has prime factors (2,3,5) and total factors (60), which prime form is possible?

Explanation opens after your attempt
Correct Answer

A. \(2^4\times3^2\times5^3\)

Step 1

Concept

Add (1) to each exponent and multiply to get total factors.

Step 2

Why this answer is correct

In option A, ((4+1)(2+1)(3+1)=5\times3\times4=60).

Step 3

Exam Tip

In option-based questions, test the exponents of each option. चरण 1: कुल गुणनखंडों के लिए घातों में (1) जोड़कर गुणा करते हैं। चरण 2: विकल्प A में ((4+1)(2+1)(3+1)=5\times3\times4=60)। चरण 3: विकल्प आधारित प्रश्नों में हर विकल्प की घातों पर यह नियम लगाएं।

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