GATE Practice Question and Answer

Q: Find the Value of ? 5.112.2+5.553.3+6.31.4+7.22.001 = ? x 3.34 1615 0

  • 1
    81
    Correct
    Wrong
  • 2
    77
    Correct
    Wrong
  • 3
    73
    Correct
    Wrong
  • 4
    89
    Correct
    Wrong
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Answer : 4. "89"
Explanation :

Answer: D) 89 Explanation: This can be done in a method called Approximation. Now,  52 + 63 + 6 + 72 = ? x 3.3425 + 216 + 6 + 49 = ? x 3.34296 = ? x 3.34? = 2963.34 = 88.622 ≅ 89

Q: How many years it takes for Pluto to Orbit the Sun? 1610 0

  • 1
    76 yrs
    Correct
    Wrong
  • 2
    144 yrs
    Correct
    Wrong
  • 3
    198 yrs
    Correct
    Wrong
  • 4
    248 yrs
    Correct
    Wrong
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Answer : 4. "248 yrs"
Explanation :

Answer: D) 248 yrs Explanation: It takes 248 yrs for Pluto to orbit the Sun.

Q: Which of the following is the largest unit of information? 1610 0

  • 1
    1 TB
    Correct
    Wrong
  • 2
    1 GB
    Correct
    Wrong
  • 3
    1 MB
    Correct
    Wrong
  • 4
    1 KB
    Correct
    Wrong
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Answer : 1. "1 TB"
Explanation :

Answer: A) 1 TB Explanation: 1 TB  >  1 GB  >  1 MB  >  1 KB   1 Tb (Tera Byte) = 1024 GB 1 GB (Giga Byte) = 1024 MB 1 MB (Mega Byte) = 1024 KB 1 KB (Kilo Byte) = 1024 Bytes 1 Byte = 8 Bit   Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.

Q: Two letters are randomly chosen from the word TIME. Find the probability that the letters are T and M? 1609 0

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

Answer: B) 1/6 Explanation: Required probability is given by P(E) = n(E)n(S) = 14C2 = 16

Q: Guess the word? 1609 0

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Answer :
Explanation :

SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

Q: Name one problem that led to the civil war. 1608 0

  • 1
    Slavery
    Correct
    Wrong
  • 2
    Economic reasons
    Correct
    Wrong
  • 3
    State's Rights
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation:

Q: What is the difference between the compound interests on Rs. 5000 for 11⁄2 years at 4% per annum compounded yearly and half-yearly? 1608 0

  • 1
    Rs. 1.80
    Correct
    Wrong
  • 2
    Rs. 2.04
    Correct
    Wrong
  • 3
    Rs. 3.18
    Correct
    Wrong
  • 4
    Rs. 4.15
    Correct
    Wrong
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Answer : 2. "Rs. 2.04"
Explanation :

Answer: B) Rs. 2.04 Explanation: Compound Interest for 1 1⁄2 years when interest is compounded yearly = Rs.(5304 - 5000) Amount after 11⁄2 years when interest is compounded half-yearly Compound Interest for 1 1⁄2 years when interest is compounded half-yearly = Rs.(5306.04 - 5000) Difference in the compound interests = (5306.04 - 5000) - (5304 - 5000)= 5306.04 - 5304 = Rs. 2.04

Q: Although glory but not at my best. Power will fall to me when the man who made me dies. What am I? 1606 0

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Answer :
Explanation :

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