Maths Practice Question and Answer

Q:

यदि x – y + z = 15, xyz = -216 और xz – xy – yz = 18 है तो $$ {x^3}-{y^3}+{z^3}=$$ इसका मान होगा

1435 0

  • 1
    2613
    Correct
    Wrong
  • 2
    2813
    Correct
    Wrong
  • 3
    3013
    Correct
    Wrong
  • 4
    3213
    Correct
    Wrong
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Answer : 4. "3213"

Q:

2:30 बजे घडी की दोनों सुइयां के बीच का न्यून कोण क्या होगा?

1435 0

  • 1
    $$95^0$$
    Correct
    Wrong
  • 2
    $$135^0$$
    Correct
    Wrong
  • 3
    $$105^0$$
    Correct
    Wrong
  • 4
    $$115^0$$
    Correct
    Wrong
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Answer : 4. "$$115^0$$"

Q:

साधारण ब्याज पर एक धनराशि का मिश्रधन 3 साल से रु 4800 तथा 5 साल में रु 5600 हो जाता है तो धनराशि है?

1435 0

  • 1
    Rs. 3,400
    Correct
    Wrong
  • 2
    Rs. 3,600
    Correct
    Wrong
  • 3
    Rs. 3,200
    Correct
    Wrong
  • 4
    Rs. 3,000
    Correct
    Wrong
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Answer : 2. "Rs. 3,600"

Q:

एक समकोण त्रिभुज का परिमाप 60 सेमी है, और इसका दूसरा कर्ण 26 सेमी है। इसका क्षेत्रफल ज्ञात कीजिए। 

1435 0

  • 1
    $$112 cm^2$$
    Correct
    Wrong
  • 2
    $$120 cm^2$$
    Correct
    Wrong
  • 3
    $$136 cm^2$$
    Correct
    Wrong
  • 4
    $$150 cm^2$$
    Correct
    Wrong
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Answer : 2. "$$120 cm^2$$"

Q:

यदि a2x+2=1, है, जहां a, 1 के अतिरिक्त एक धनात्मक वास्तविक संख्या है, तो x किसके बराबर है ? 

1434 0

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

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