Geometry Practice Question and Answer

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Answer : 4. "

390

"

Q:

एक समबाहु त्रिभुज PQR का केन्द्रक L है। यदि PQ = 6 सेमी है, तो PL की लंबाई है:

481 0

  • 1
    $$4\sqrt { 3} \ cm$$
    Correct
    Wrong
  • 2
    $$3\sqrt { 3} \ cm$$
    Correct
    Wrong
  • 3
    $$2\sqrt { 3} \ cm$$
    Correct
    Wrong
  • 4
    $$5\sqrt { 3} \ cm$$
    Correct
    Wrong
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Answer : 3. "$$2\sqrt { 3} \ cm$$"

Q:

यदि △ABC, B पर समकोण है, AB = 12 सेमी और ∠CAB = 60° है, तो BC की लंबाई निर्धारित करें।

456 0

  • 1
    $$24\sqrt { 2} \ cm$$
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    $$12\sqrt { 2} \ cm$$
    Correct
    Wrong
  • 4
    $$12\sqrt { 3} \ cm$$
    Correct
    Wrong
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Answer : 4. "$$12\sqrt { 3} \ cm$$"

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Answer : 2. "केवल (i) और (iii)"

Q:

यदि किसी गोले की त्रिज्या 48% कम कर दी जाए, तो उसका पृष्ठीय क्षेत्रफल कितने प्रतिशत कम हो जाएगा?

635 0

  • 1
    82.91%
    Correct
    Wrong
  • 2
    72.96%
    Correct
    Wrong
  • 3
    78.98%
    Correct
    Wrong
  • 4
    86.26%
    Correct
    Wrong
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Answer : 2. "72.96%"

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