GATE Practice Question and Answer

Q: How is my father's brother's only sibling's mother related to my sister's only brother ? 3404 0

  • 1
    Neice
    Correct
    Wrong
  • 2
    Aunt
    Correct
    Wrong
  • 3
    Mother
    Correct
    Wrong
  • 4
    Grand-mother
    Correct
    Wrong
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Answer : 4. "Grand-mother"
Explanation :

Answer: D) Grand-mother Explanation: My father's brother's only sibling is my father. My father's mother is my grandmother. My sister's only brother is myself. So she is my Grandmother.

Q: Happiness is to 517768399 as senipah is to 3396 0

  • 1
    9836715
    Correct
    Wrong
  • 2
    9386615
    Correct
    Wrong
  • 3
    9386715
    Correct
    Wrong
  • 4
    9386517
    Correct
    Wrong
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Answer : 3. "9386715"
Explanation :

Answer: C) 9386715 Explanation: If each consecutive letter in "happiness" relates to the consecutive numbers in 517768399, then H=5, A=1, P=7, I=6, N=8, E=3 and S=9. Using the numbers that relate to the letters in 'senipah', you will arrive at SENIPAH = 9386715.   Hence, Happiness is to 517768399 as senipah is to 9386715.

Q: What is the missing number in 5, 14, 42, 107, 233, ? 3395 0

  • 1
    316
    Correct
    Wrong
  • 2
    384
    Correct
    Wrong
  • 3
    450
    Correct
    Wrong
  • 4
    479
    Correct
    Wrong
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Answer : 3. "450"
Explanation :

Answer: C) 450 Explanation: Given Series is 5, 14, 42, 107, 233, _? 5, 14, 42, 107, 233, _? Differences is 9, 28, 65, 126 9 = 2^3 + 1 28 = 3^3 + 1 65 = 4^3 + 1 126 = 5^3 + 1 Now, next difference must be 6^3 + 1 = 217 Hence, next number in the given series = 233 + 217 = 450.

Q: Is B2+ Paramagnetic or Diamagnetic? 3393 0

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Answer :
Explanation :

B2+ is a Paramagnetic.  The filled orbitals are σ(1s)22, σ∗(1s)22, σ(2s)22, σ∗(2s)22. The half-filled orbitals are π(2pxx) and π(2pyy). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

Q: Tract of land used for raising crops or livestock. 3385 0

  • 1
    A field
    Correct
    Wrong
  • 2
    A farm
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: A tract of land used for raising crops or livestockcan be called a field or a farm.

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Answer : 4. "2834"
Explanation :

Answer: D) 2834 Explanation: Let the total number of votes polled in the election be 100k.Number of valid votes = 100k - 20% (100k) = 80kLet the number of votes polled in favour of K and L be a and b respectively.a - b = 15% (100k) => a = b + 15k=> a + b = b + 15k + bNow, 2b + 15k = 80k and hence b = 32.5kIt is given that 100k = 872032.5k = 32.5k/100k x 8720 = 2834 The number of valid votes polled in favour of L is 2834.

Q: Select the correct statement about cellular respiration? 3378 0

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    All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule
    Correct
    Wrong
  • 2
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into NADH molecule
    Correct
    Wrong
  • 3
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into ATP molecule
    Correct
    Wrong
  • 4
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into water molecule
    Correct
    Wrong
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Answer : 1. "All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule"
Explanation :

Answer: A) All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule Explanation: All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecules.

Q: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3378 0

  • 1
    Rs.14,000
    Correct
    Wrong
  • 2
    Rs.12,000
    Correct
    Wrong
  • 3
    Rs. 12,800
    Correct
    Wrong
  • 4
    Rs. 15,000
    Correct
    Wrong
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Answer : 2. "Rs.12,000"
Explanation :

Answer: B) Rs.12,000 Explanation: We have P = 8748, R = -10 and n = 3Therefore, the purchase price of the machine= P1+R100n= 87481-101003= 8748 x (100/90) x (100/90) x (100/90)= 12,000.   Therefore, the purchase price of the machine was Rs. 12,000.

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