Maths Questions and Answers Practice Question and Answer

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Answer : 4. "15 घंटे"

Q:

यदि bx2-ax + log2my=0  के मूल x1 और x2 है और x12=a2+x22 है तो a और b के रूप में मूल ज्ञात कीजिए।

989 0

  • 1
    $$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$
    Correct
    Wrong
  • 2
    $$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-a^{2})}$$
    Correct
    Wrong
  • 3
    $$ {a\over2ab}{(b^{2}-1)},{a\over2ab}{(1-b^{2})}$$
    Correct
    Wrong
  • 4
    $$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-b^{2})}$$
    Correct
    Wrong
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Answer : 1. "$$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$"

Q:

दिये गये फिल्ड बुक का क्षेत्रफल ज्ञात किजिये।

1995 0

  • 1
    845
    Correct
    Wrong
  • 2
    842
    Correct
    Wrong
  • 3
    850
    Correct
    Wrong
  • 4
    848
    Correct
    Wrong
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Answer : 2. "842"

Q:

सूत्र एकाधिकेन पूर्वेण विधि से 35 का वर्ग है।

1677 0

  • 1
    3 * 4/ 5*5
    Correct
    Wrong
  • 2
    2*3/5*5
    Correct
    Wrong
  • 3
    $$ {35-05/(05)^{2}}$$
    Correct
    Wrong
  • 4
    $$ {3(30+5) 5^{2}} $$
    Correct
    Wrong
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Answer : 1. "3 * 4/ 5*5"

Q:

किसी त्रिभुज के निर्देशांक जिनकी भुजाएँ 3x - 4y = 0, 5x + 12y = 0 और y - 15 = 0 है होंगे।

2745 0

  • 1
    (–1, 8)
    Correct
    Wrong
  • 2
    (1,8)
    Correct
    Wrong
  • 3
    (2, 8)
    Correct
    Wrong
  • 4
    (2, –8)
    Correct
    Wrong
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Answer : 1. "(–1, 8)"

Q:

गीता का वजन 11.235 किलो है । उसकी बहन का वजन उससे 1.4 गुना है । उनके संयुक्त वजन का पता लगाएं ? 

1351 0

  • 1
    15.729 किलो
    Correct
    Wrong
  • 2
    25.964 किलो
    Correct
    Wrong
  • 3
    26.964 किलो
    Correct
    Wrong
  • 4
    26.946 किलो
    Correct
    Wrong
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Answer : 3. "26.964 किलो"

Q:

रेखा y=-1 में बिंदु (5,-2) का प्रतिबिम्ब क्या है?

1767 0

  • 1
    ( 7,-2)
    Correct
    Wrong
  • 2
    (-5,0)
    Correct
    Wrong
  • 3
    ( 5,0)
    Correct
    Wrong
  • 4
    ( -7,9)
    Correct
    Wrong
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Answer : 2. "(-5,0)"

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