Number System Questions Practice Question and Answer

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Answer : 2. "1001"

Q:

निम्नलिखित में से कौन सा भिन्न सबसे छोटा है?

$$7\over 6 $$,$$7\over 9$$,$$4\over 5$$,$$5\over 7$$

833 0

  • 1
    $$7\over 6 $$
    Correct
    Wrong
  • 2
    $$7\over 9$$
    Correct
    Wrong
  • 3
    $$4\over 5$$
    Correct
    Wrong
  • 4
    $$5\over 7$$
    Correct
    Wrong
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Answer : 4. "$$5\over 7$$"
Explanation :

Q:

निम्नलिखित में से कौन-सी 6 अंकों की सबसे छोटी संख्या है, जो 93 से विभाज्य है?

823 0

  • 1
    100065
    Correct
    Wrong
  • 2
    100070
    Correct
    Wrong
  • 3
    100075
    Correct
    Wrong
  • 4
    100068
    Correct
    Wrong
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Answer : 4. "100068"

Q:

यदि 8 अंको की संख्या 789x531y, 72 से विभाज्य है तो (5x - 3y) का मान होगा ?

822 0

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

Q:

दो प्राकृत क्रमागत विषम संख्याओं के वर्गों का योग 394 होता है। संख्याओं का योग होता है -

806 0

  • 1
    24
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 4. "28"
Explanation :

Let the consecutive odd numbers be x and (x+2)

We know that x2 + (x + 2)2 = 394

We know   x2 + x2 + 4x + 4 = 394

We know   2 x2 +4x – 390 = 0

We know   x2 + 2x – 195 = 0

We know  (x +15) (x-13) = 0

We know   x = 13

We know    Required sum = 13 +15 =28

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Answer : 2. "5"
Explanation :

Solution: $${Remainder\over 29}={7\over 9}$$

=> remainder (शेषफल)=5

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