Practice Question and Answer

Q:

मोटे अनाजों का विश्व में सबसे बड़ा उत्पादक देश है ?

3948 0

  • 1
    भारत
    Correct
    Wrong
  • 2
    जापान
    Correct
    Wrong
  • 3
    रूस
    Correct
    Wrong
  • 4
    चीन
    Correct
    Wrong
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Answer : 1. "भारत"

Q: Fresh grapes contain 60% water, while dry grapes contain 40% water. How many kgs of dry grapes can be obtained by 60 kg of fresh grapes? 3948 0

  • 1
    25 kgs
    Correct
    Wrong
  • 2
    30 kgs
    Correct
    Wrong
  • 3
    35 kgs
    Correct
    Wrong
  • 4
    40 kgs
    Correct
    Wrong
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Answer : 4. "40 kgs"
Explanation :

Answer: D) 40 kgs Explanation: The fruit content in both the fresh fruit and dry fruit is the same. Let 'p' kgs of dry grapes are obtained from the 60 kgs of fresh grapes   => 60 x 40100 = p x 60100=> p = 40 kgs.   Therefore, 40 kgs of Dry grapes are obtained from 60 kgs of Fresh grapes.

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Answer : 2. "400"

Q:

संचायक बैटरियों में निम्नलिखित में से कौन— सी धातु का प्रयोग किया जाता है?

3945 1

  • 1
    ताँबा
    Correct
    Wrong
  • 2
    सीसा
    Correct
    Wrong
  • 3
    ऐलुमिनियम
    Correct
    Wrong
  • 4
    जस्ता
    Correct
    Wrong
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Answer : 2. "सीसा"
Explanation :

इस प्रकार, भंडारण बैटरियों में प्रयुक्त धातु सीसा है।


Q:

'जो नया आया हुआ हो' इस शब्द समूह के लिए एक शब्द बताइए|  

3944 0

  • 1
    दुर्लभ
    Correct
    Wrong
  • 2
    नवजीवन
    Correct
    Wrong
  • 3
    नवागन्तुक
    Correct
    Wrong
  • 4
    मेहमान
    Correct
    Wrong
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Answer : 3. "नवागन्तुक"

Q:

14 बच्चों का औसत वजन 22 किलो है। यदि अध्यापक का वजन भी मिला लिया जाए तो औसत वजन 23 किलो हो जाता है। अध्यापक का वजन कितना है ?

3942 0

  • 1
    34 किलो
    Correct
    Wrong
  • 2
    37 किलो
    Correct
    Wrong
  • 3
    40 किलो
    Correct
    Wrong
  • 4
    35 किलो
    Correct
    Wrong
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Answer : 2. "37 किलो"

Q: A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current  ? 3941 0

  • 1
    1 kmph
    Correct
    Wrong
  • 2
    3.2 kmph
    Correct
    Wrong
  • 3
    1.5 kmph
    Correct
    Wrong
  • 4
    2 kmph
    Correct
    Wrong
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Answer : 3. "1.5 kmph"
Explanation :

Answer: C) 1.5 kmph Explanation: 72 --- 9 ? ---- 1 => Down Stream = 8 45 ---- 9 ? ---- 1 => Up Stream = 5 Speed od current S = ? S = (8 - 5)/2 = 1.5 kmph.

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