GATE Practice Question and Answer

Q: When the price of whear was increased by 32%, a family reduced its consumption in such a way that the expenditure on wheat was only 10% more than before. If 30 kg per month were consumed before, find the new monthly consumption of family? 2428 0

  • 1
    27 kgs
    Correct
    Wrong
  • 2
    25 kgs
    Correct
    Wrong
  • 3
    24 kgs
    Correct
    Wrong
  • 4
    21 kgs
    Correct
    Wrong
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Answer : 2. "25 kgs"
Explanation :

Answer: B) 25 kgs Explanation: Initial wheat per kg cost be Rs. 100 Then, monthly expenditure of the family = 30 x 100 = 3000 After increase in cost, Let P be new monthly consumption of family. P x 132 = 110/100 x 3000 => P = 25 kg.

Q: Find out which pair of words can be filled up in the blanks in the sentence to make the sentence meaningfully complete. The policy on foreign direct investment in multi- brand retail may be _______ in a political impasse, but big retail chains are using India as sourcing base and making an _________ on local businesses. 2427 0

  • 1
    Caught, impact
    Correct
    Wrong
  • 2
    Caught, effect
    Correct
    Wrong
  • 3
    Fetched, affect
    Correct
    Wrong
  • 4
    Fetching, impact
    Correct
    Wrong
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Answer : 1. "Caught, impact"
Explanation :

Answer: A) Caught, impact Explanation: Caught - according to the sentence given caught means to become involved in something, often without wanting to. Impasse - means a situation in which further development is impossible.

Q: Crack the code & Unlock the Key ? 2427 0

  • 1
    062
    Correct
    Wrong
  • 2
    602
    Correct
    Wrong
  • 3
    042
    Correct
    Wrong
  • 4
    204
    Correct
    Wrong
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Answer : 3. "042"
Explanation :

Answer: C) 042 Explanation: From all the hints given,  only 042 satisfies and it unlocks the key.

Q: What color does yellow and green make? 2425 0

  • 1
    Lime
    Correct
    Wrong
  • 2
    Ocean mist
    Correct
    Wrong
  • 3
    Maroon
    Correct
    Wrong
  • 4
    Tangerine
    Correct
    Wrong
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Answer : 1. "Lime"
Explanation :

Answer: A) Lime Explanation: Yellow and green color mix make a Lime color.   The three primary colors in additive mixing are red, green, and blue. In the absence of color or, when no colors are showing, the result is black. If all three primary colors are showing, the result is white. When red and green combine, the result is yellow. When red and blue combine, the result is magenta. When blue and green combine, the result is cyan.

Q: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 2425 0

  • 1
    Rs. 5422
    Correct
    Wrong
  • 2
    Rs. 5489
    Correct
    Wrong
  • 3
    Rs. 3972
    Correct
    Wrong
  • 4
    Rs. 6145
    Correct
    Wrong
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Answer : 3. "Rs. 3972"
Explanation :

Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years.  ∴ R = 100×50100×5= 10% p.a.   Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

Q: A man can row upstream at 16 km/hr and downstream at 24 km/hr. Find the speed of the current. 2423 0

  • 1
    4 kmph
    Correct
    Wrong
  • 2
    6 kmph
    Correct
    Wrong
  • 3
    5 kmph
    Correct
    Wrong
  • 4
    3 kmph
    Correct
    Wrong
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Answer : 1. "4 kmph"
Explanation :

Answer: A) 4 kmph Explanation: Speed of the current = 24-16/2 = 8/2 = 4 km/hr.

Q: The Most Important Ore of Aluminium is 2423 0

  • 1
    Calamine
    Correct
    Wrong
  • 2
    Monazite
    Correct
    Wrong
  • 3
    Magnetite
    Correct
    Wrong
  • 4
    Bauxite
    Correct
    Wrong
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Answer : 4. "Bauxite"
Explanation :

Answer: D) Bauxite Explanation:

Q: Manoj and Satya are ranked seventh and eleventh respectively from the top in a class of 31 students. What will be their respective ranks from the bottom in the class ? 2423 0

  • 1
    25th and 21st
    Correct
    Wrong
  • 2
    26th and 22nd
    Correct
    Wrong
  • 3
    20th and 24th
    Correct
    Wrong
  • 4
    24th and 20th
    Correct
    Wrong
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Answer : 1. "25th and 21st"
Explanation :

Answer: A) 25th and 21st Explanation: Number of students behind Manoj in rank = (31 - 7) = 24. So, Manoj is 25th from the bottom. Number of students behind Satya in rank = (31 - 11) = 20. So, Satya is 21st from the bottom.

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