Maths Practice Question and Answer

Q:

96, 528, 2160, 3520 का महत्तम समापवर्तक कितना होगा?

1538 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 2. "16"

Q:

$$ {cosecθ\sqrt{1-cos^2θ}}$$. का मान क्या होगा?

1538 0

  • 1
    0
    Correct
    Wrong
  • 2
    – 2
    Correct
    Wrong
  • 3
    – Sinθ
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

यदि $$  \left( x^2+{1\over x^2} \right)- \left( x - {1\over 4} \right)- 7 =0 $$ है तो, x का मान ज्ञात करें 

1537 0

  • 1
    1, 2
    Correct
    Wrong
  • 2
    $$ 2, -{1\over 2} $$
    Correct
    Wrong
  • 3
    0, 1
    Correct
    Wrong
  • 4
    $$ {1\over 2} , 1 $$
    Correct
    Wrong
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Answer : 2. "$$ 2, -{1\over 2} $$"

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Answer : 4. "3/5 "

Q:

निम्नलिखित प्रश्न का सही मान ज्ञात करें:

$$ 8\sqrt{?}÷14×3+9=21$$

1537 0

  • 1
    7
    Correct
    Wrong
  • 2
    49
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    196
    Correct
    Wrong
  • 5
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 2. "49 "

Q:

 PQR एक समकोण त्रिभुज है जिसमें PQ = PR है । यदि त्रिभुज का कर्ण 20 सेमी है, तो त्रिभुज PQR का क्षेत्रफल (सेमी. में) क्या है ? 

1537 0

  • 1
    $$ {100\over 2}$$
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    $$ {50\over 2}$$
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 2. "100"

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Answer : 2. "Rs. 2457"

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