Practice Question and Answer

Q:

1 जनवरी 2033 को सप्ताह का कौन सा दिन होगा?

2710 0

  • 1
    शनिवार
    Correct
    Wrong
  • 2
    सोमवार
    Correct
    Wrong
  • 3
    रविवार
    Correct
    Wrong
  • 4
    मंगलवार
    Correct
    Wrong
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Answer : 1. "शनिवार"

Q:

वाहनों में पृष्ठ दृष्टि दर्पण के रूप में किस दर्पण को प्रयोग में लाया जाता है ? 

2710 0

  • 1
    समतल
    Correct
    Wrong
  • 2
    उत्तल
    Correct
    Wrong
  • 3
    अवतल
    Correct
    Wrong
  • 4
    प्रतीपित
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Answer : 2. "उत्तल "

Q: The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of 6th, 11th and 13th elements of the same progression. Then which element of the series should necessarily be equal to zero ? 2710 1

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    14th element
    Correct
    Wrong
  • 2
    9th element
    Correct
    Wrong
  • 3
    12th element
    Correct
    Wrong
  • 4
    7th element
    Correct
    Wrong
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Answer : 3. "12th element"
Explanation :

Answer: C) 12th element Explanation: If we consider the third term to be ‘x”The 15th term will be (x + 12d)6th term will be (x + 3d)11th term will be (x + 8d) and 13th term will be (x + 10d).Thus, as per the given condition, 2x + 12d = 3x + 21d.Or x + 9d = 0.x + 9d will be the 12th term. Thus, 12th term of the A.P will be zero.

Q:

खाने का नमक वर्षा ऋतु में हल्का गीला हो जाता है क्योंकि -

2709 0

  • 1
    सोडियम क्लोराइड में सोडियम आयोडाइड की कुछ मात्रा पायी जाती है ।
    Correct
    Wrong
  • 2
    सोडियम क्लोराइड में कुछ द्रवग्राही अशुद्धियाँ - मैग्नीशियम क्लोराइड पायी जाती हैं ।
    Correct
    Wrong
  • 3
    सोडियम क्लोराइड द्रवग्राही होता है ।
    Correct
    Wrong
  • 4
    सोडियम क्लोराइड प्रस्वेद्य होता है ।
    Correct
    Wrong
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Answer : 2. "सोडियम क्लोराइड में कुछ द्रवग्राही अशुद्धियाँ - मैग्नीशियम क्लोराइड पायी जाती हैं ।"

Q: What animal has the shortest gestation period? 2709 0

  • 1
    Elephant
    Correct
    Wrong
  • 2
    Meadows
    Correct
    Wrong
  • 3
    Mouse
    Correct
    Wrong
  • 4
    Opossum
    Correct
    Wrong
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Answer : 4. "Opossum"
Explanation :

Answer: D) Opossum Explanation: The shortest gestation period known is 12 to 13 days, shared by three marsupials: the American or Virginian opossum (Didelphis marsupialis); the rare water opossum, or yapok (Chironectes minimus) of central and northern South America; and the eastern native cat (Dasyurus viverrinus) of Australia. Gestation is the period of time between fertilization and birth in oviparous animals. The elephant has the longest gestation period of about 23 months of any land animal.

Q:

भारत का ग्रैण्ड ओल्ड मैन किसे कहा जाता है ?

2709 0

  • 1
    दादाभाई नौरोजी
    Correct
    Wrong
  • 2
    महात्मा गांधी
    Correct
    Wrong
  • 3
    गोपालकृष्ण गोखले
    Correct
    Wrong
  • 4
    सुभाषचन्द्र बोस
    Correct
    Wrong
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Answer : 1. "दादाभाई नौरोजी"

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