GATE Practice Question and Answer

Q: चुंबकीय डिस्क की भंडारण क्षमता निर्भर करती है 4643 2

  • 1
    डिस्क सतह में डिस्क पैक
    Correct
    Wrong
  • 2
    सतह के प्रति इंच ट्रैक
    Correct
    Wrong
  • 3
    पटरियों के प्रति इंच बिट्स
    Correct
    Wrong
  • 4
    इसमे से कोई नहीं
    Correct
    Wrong
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Answer : 4. "इसमे से कोई नहीं"
Explanation :

Answer: D) उपरोक्त सभी व्याख्या: मैग्नेटिक डिस्क एक तरह का डेटा स्टोरेज डिवाइस है। चुंबकीय डिस्क की भंडारण क्षमता इस पर निर्भर करती है 1. सतह के प्रति इंच ट्रैक 2. ट्रैक के बिट प्रति इंच 3. डिस्क सतह में डिस्क पैक इसे इस प्रकार दिखाया जा सकता है:

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Answer : 1. "20%"
Explanation :

Answer: A) 20% स्पष्टीकरण: अंग्रेजी में उत्तीर्ण छात्रों का प्रतिशत = 60% हिंदी में उत्तीर्ण छात्रों का प्रतिशत = 45% दोनों विषयों में उत्तीर्ण छात्रों का प्रतिशत = 25% एटीक्यू, केवल अंग्रेजी में उत्तीर्ण छात्रों का प्रतिशत = 60 - 25 = 35% का प्रतिशत विद्यार्थी केवल हिंदी में उत्तीर्ण हुए = 45 - 25 = 20% इसलिए, अनुत्तीर्ण छात्रों का प्रतिशत = 100 - (35 + 25 + 20) = 100 - 80 = 20%।

Q:

वाहनों में रियर व्यू मिरर के रूप में किस दर्पण का उपयोग किया जाता है?

6950 0

  • 1
    Concave
    Correct
    Wrong
  • 2
    Plane
    Correct
    Wrong
  • 3
    Convex
    Correct
    Wrong
  • 4
    Any of the above
    Correct
    Wrong
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Answer : 3. "Convex"
Explanation :

Answer: C) Convex Explanation: Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.

Q: What was the day of the week on 17th June, 1998 ? 4998 7

  • 1
    Monday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Friday
    Correct
    Wrong
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Answer : 3. "Wednesday"
Explanation :

Answer: C) Wednesday Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)Odd days in 1600 years = 0Odd days in 300 years = 197 years has 24 leap years + 73 ordinary years.Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.Jan. Feb. March. April. May. June.(31 + 28 + 31 + 30 + 31 + 17) = 168 days168 days = 24 weeks = 0 odd day.Total number of odd days = (0 + 1 + 2 + 0) = 3.Given day is Wednesday.

Q: If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month? 2852 1

  • 1
    Tuesday
    Correct
    Wrong
  • 2
    Monday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Sunday
    Correct
    Wrong
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Answer : 2. "Monday"
Explanation :

Answer: B) Monday Explanation: Dates on which Tuesday fall are 3,10,17, and 24   Hence, the 27th day of the month will be (Tuesday + 3 days=)Friday   Required day of the month = Friday - 4 = Monday

Q: What should come next in the following number series? 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1 1628 0

  • 1
    9
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 4. "6"
Explanation :

Answer: D) 6 Explanation: Here the series is:   987654321, 87654321, 7654321, 65...

Q: The purest form of iron is 1324 0

  • 1
    wrought iron
    Correct
    Wrong
  • 2
    steel
    Correct
    Wrong
  • 3
    pig iron
    Correct
    Wrong
  • 4
    nickel steel
    Correct
    Wrong
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Answer : 1. "wrought iron"
Explanation :

Answer: A) wrought iron Explanation: Wrought Iron is the purest form of iron. It contains 0.12 to 0.25% carbon and so it is the purest form of iron.

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Answer : 3. "118.08L"
Explanation :

Answer: C) 118.08L Explanation: The amount of petrol left after 4 operations   = 200 × 1-402004   = 200 × 454   = 200 × 256625   = 81.92 litres   Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres

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