NCERT Solutions for Class 10 Maths - Chapter-wise Notes & MCQs
Mathematics Question Answer Class 10, NCERT Class 10 Mathematics
UP Board Class 10 Mathematics Test - 1
Class 10 Mathematics Important Questions & Exam Preparation Guide
Prepare for your Class 10 Maths exam with our NCERT Solutions, chapter-wise MCQs, and important questions. Covering key topics like algebra, trigonometry, statistics, and geometry, our study material helps CBSE and UP Board students score high. Whether you're looking for step-by-step solutions or practice tests, our expert content is designed for **100% exam success**. Download **Class 10 Maths PDF solutions** now and start preparing today!
Que 21: बहुपद x – 5 के शून्यक हैं?
[A] (+5, -5)
[B] (+√5, -5)
[C] (+√5, -√5)
[D] (-√5, -√5)
Show Answer
Correct Answer :
[C] (+√5, -√5)
Que 22: दो चरों x,y में रैखिक समीकरण ax + by + c = 0 के कितने अधिकतम हल संभव हैं ?
[A] एक
[B] दो
[C] अनगिनत
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[C] अनगिनत
Que 23: असंगत समीकरणों के हल कितने होते हैं ?
[A] अनगिनत
[B] द्वितीय
[C] कोई हल नहीं
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[C] कोई हल नहीं
Que 24: निम्न में से कौन परिमेय संख्या है?
[A] +3
[B] 2√2 ⁄ √2
[C] 4 + √5
[D] √6
Show Answer
Correct Answer :
[B] 2√2 ⁄ √2
Que 25: यूक्लिड विभाजन एलगोरिथ्म दो धनात्मक पूर्णांकों के निम्न में किसे परिकलित करने की तकनीक है?
[A] ल० स०
[B] म० स०
[C] भागफल
[D] शेषफल
Show Answer
Correct Answer :
[B] म० स०
Que 26: रैखिक समीकरण – युग्म को हल करने की कितनी बीजीय विधियाँ हैं ?
[A] 2
[B] 3
[C] 4
[D] 5
Show Answer
Correct Answer :
[C] 4
Que 27: द्विघात समीकरण bx² + ax + c = 0 का विविक्तकर होगा –
[A] b² – 4ac
[B] a² – 4bc
[C] c²- 4ab
[D] b²- 2ac
Show Answer
Correct Answer :
[B] a² – 4bc
Que 28: 2x² + 5x – 12 = 0 का एक मूल निम्नलिखित में कौन है ?
[A] 0
[B] 1
[C] -4
[D] -2
Show Answer
Correct Answer :
[C] -4
Que 29: यदि बहुपद f ( x ) = x ²- 3x + 5 के शून्यक a और b हों , तो 4 ( a + b ) =
[A] -12
[B] 12
[C] 20
[D] -20
Show Answer
Correct Answer :
[B] 12
Que 30: निम्नलिखित में कौन अभाज्य संख्या है?
[A] 15
[B] 12
[C] 75
[D] 23
Show Answer
Correct Answer :
[D] 23
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