Square Roots Questions Practice Question and Answer

Q:

यदि $$x=\sqrt {64}+\sqrt {121}-\sqrt {169}$$, तो x2 का मान ज्ञात कीजिए

700 0

  • 1
    16
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    49
    Correct
    Wrong
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Answer : 3. "36 "

Q:

If $$ {(x^{3})^{3} × x^{5}\over{x^{4}}}=x^{n}$$ then find the value of n.

671 0

  • 1
    10
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "10"

Q:

$$\sqrt { 3}=1.732$$ हो, तो $${9+2{ \sqrt { 3}}}\over  \sqrt { 3}$$  का मान ज्ञात कीजिए

640 0

  • 1
    7.169
    Correct
    Wrong
  • 2
    7.196
    Correct
    Wrong
  • 3
    5.198
    Correct
    Wrong
  • 4
    7.296
    Correct
    Wrong
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Answer : 2. "7.196"

Q:

2203 में सबसे छोटी कौनसी संख्या जोड़ी जाए, ताकि हमें योगफल एक पूर्ण वर्ग संख्या प्राप्त हो?

623 0

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    कोई भी नहीं
    Correct
    Wrong
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Answer : 4. "कोई भी नहीं"

Q:

निम्नलिखित को सरल कीजिये

$${\sqrt { 10+{\sqrt { 25+ {\sqrt { 108 +\sqrt { 154+ \sqrt { 225} \ } \ } \ }} \ } } \ }\over \sqrt { 16+ 19.25×4^2} $$

581 0

  • 1
    $$7\over 18$$
    Correct
    Wrong
  • 2
    $$2\over 9$$
    Correct
    Wrong
  • 3
    $$5\over 18$$
    Correct
    Wrong
  • 4
    $$1\over 9$$
    Correct
    Wrong
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Answer : 2. "$$2\over 9$$"

Q:

निम्नलिखित द्विघात समीकरणों में से किसके वास्तविक मूल हैं?

560 0

  • 1
    4x- 7x + 5 = 0
    Correct
    Wrong
  • 2
    5x2 - 11x + 7 = 0
    Correct
    Wrong
  • 3
    5x2 - 11x + 8 = 0
    Correct
    Wrong
  • 4
    2x2 - 7x + 5 = 0
    Correct
    Wrong
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Answer : 4. "2x2 - 7x + 5 = 0"

Q:

किसी संख्या के वर्ग, तथा उसके घन के व्युत्क्रम का अनुपात 243/16807 है। संख्या क्या है ?

548 0

  • 1
    2/7
    Correct
    Wrong
  • 2
    7/3
    Correct
    Wrong
  • 3
    3/7
    Correct
    Wrong
  • 4
    5/7
    Correct
    Wrong
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Answer : 3. "3/7"

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