Maths Practice Question and Answer

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Answer : 2. "2.9%"

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Answer : 4. "2 cm"

Q:

व्यंजक$${15(\sqrt { 10}+\sqrt { 5})\over \sqrt { 10}+\sqrt { 20}+\sqrt { 40}-\sqrt { 5}-\sqrt { 80}   }$$इसके बराबर है:

356 0

  • 1
    $$10(3+2 \sqrt { 5})$$
    Correct
    Wrong
  • 2
    $$5+(2 \sqrt { 2})$$
    Correct
    Wrong
  • 3
    $$5(3+2 \sqrt { 2})$$
    Correct
    Wrong
  • 4
    $$5-(2 \sqrt { 5})$$
    Correct
    Wrong
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Answer : 3. "$$5(3+2 \sqrt { 2})$$"

Q:

समीकरण 3x-20y-2=0 और 11x-5y+61=0 के ग्राफ P(a,b) पर प्रतिच्छेद करते हैं। of (a2 + b— ab)/(a— b2 + ab)का मान क्या है?

485 0

  • 1
    $${37\over 35} $$
    Correct
    Wrong
  • 2
    $${5\over 7}$$
    Correct
    Wrong
  • 3
    $${31\over 41}$$
    Correct
    Wrong
  • 4
    $${41\over 31}$$
    Correct
    Wrong
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Answer : 3. "$${31\over 41}$$"

Q:

यदि 3x2-5x+1=0, तो ( $$x^2+{1\over 9x^2}$$) का मान है

437 0

  • 1
    $$1{2\over 3} $$
    Correct
    Wrong
  • 2
    $$1{1\over 3}$$
    Correct
    Wrong
  • 3
    $$2{1\over 9}$$
    Correct
    Wrong
  • 4
    $$2{2\over 3}$$
    Correct
    Wrong
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Answer : 3. "$$2{1\over 9}$$"

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