NCERT Solutions for Class 10 Mathematics - Test 1
Mathematics Question Answer Class 10, NCERT Class 10 Mathematics
UP Board Class 10 Mathematics Test - 1
Class 10 Mathematics Chapter 1
Prepare for your Class 10 Mathematics exam with NCERT Solutions, chapter-wise important questions, and step-by-step answers. Covering topics like Algebra, Trigonometry, Geometry, and Probability, these solutions are designed to help CBSE and UP Board students excel in their board exams. Our expert-prepared study material follows the latest NCERT syllabus and includes PDF downloads for quick access. Start practicing now and boost your scores with the best Class 10 Maths NCERT Solutions available online!
Que 21: sin²90° – tan²45° का मान है –
[A] 0
[B] 1
[C] 2
[D] 1/2
Show Answer
Correct Answer :
[B] 1
Que 22: किसी वृत्त पर बाह्य बिंदु से कितनी स्पर्शरखाएँ खींची जा सकती है ?
[A] 1
[B] 2
[C] 3
[D] 4
Show Answer
Correct Answer :
[B] 2
Que 23: दो वृत्तों के क्षेत्रफल 4 : 9 के अनुपात में हैं । इनकी त्रिज्याओं का अनुपात होगा –
[A] 3 : 4
[B] 2 : 3
[C] 5 : 3
[D] इनमें कोई नहीं
Show Answer
Correct Answer :
[B] 2 : 3
Que 24: यदि एक वृत्त के परिमाप और क्षेत्रफल संख्यात्मक रूप में बराबर हों, तो वृत्त की त्रिज्या होगी –
[A] 2 मात्रक
[B] 5 मात्रक
[C] 4 मात्रक
[D] 7 मात्रक
Show Answer
Correct Answer :
[D] 7 मात्रक
Que 25: किसी वलय की बाहरी और भीतरी त्रिज्याएँ क्रमशः 4 cm और 3 cm हैं, तो उसका क्षेत्रफल है
[A] 11 cm²
[B] 22 cm²
[C] 44 cm²
[D] 49 cm²
Show Answer
Correct Answer :
[B] 22 cm²
Que 26: यदि sec A = 5/3, तो tan A का मान क्या होगा ?
[A] 4/3
[B] 3/4
[C] 3/5
[D] 5/4
Show Answer
Correct Answer :
[A] 4/3
Que 27: sin²θ.cosec θ =
[A] sin θ
[B] cosec θ
[C] 1
[D] 0
Show Answer
Correct Answer :
[A] sin θ
Que 28: वृत्त की किसी जीवा की लंबाई वृत्त की त्रिज्या के बराबर हो, तो जीवा द्वारा केंद्र पर बनाया गया कोण बराबर है –
[A] 90 °
[B] 30 °
[C] 120 °
[D] 60 °
Show Answer
Correct Answer :
[D] 60 °
Que 29: निम्नलिखित में कौन sin 60° के बराबर है ?
[A] cos 6°
[B] tan 30°
[C] cos45°
[D] cos30°
Show Answer
Correct Answer :
[D] cos30°
Que 30: एक मीनार से 100 मीटर दूर स्थित बिन्दु पर मीनार का उन्नयन कोण 60 ° है , तो मीनार की ऊँचाई है :
[A] 100 √3 m
[B] 100/√3 m
[C] 50√3 m
[D] 50√3 m
Show Answer
Correct Answer :
[A] 100 √3 m
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