GATE Practice Question and Answer

Q: A house owner wants to get his house painted. He is told that this would require 45 kg of paint allowing 6% wasting. And if the paint is available in 4 kg tins only, the number of tins required for painting the house is ? 2009 0

  • 1
    12
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 1. "12"
Explanation :

Answer: A) 12 Explanation: Given 45 kg for painting  And 6% 0f 45 for wasting => 6x45/100 = 2.7 kg Now total paint required = 45+2.7 = 47.7 kgs But tins are available in only 4kgs Then, no. of tins req = 47.7/4 = 11.4 => 12 tins

Q: Pollination by wind is called 2006 0

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    Hydrophily
    Correct
    Wrong
  • 2
    Entomophily
    Correct
    Wrong
  • 3
    Anemophily
    Correct
    Wrong
  • 4
    Zoophily
    Correct
    Wrong
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Answer : 3. "Anemophily"
Explanation :

Answer: C) Anemophily Explanation: Pollination by wind is called Anemophily or Wind pollination. The process of the transfer of pollen from one individual plant to another, whereby the pollen is carried by air currents is called Anemophily.   Almost all gymnosperms (Non-flowering plants) are anemophilous, as are many plants in the order Poales, including grasses, sedges and rushes.

Q: Callous is the opposite of 2004 0

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    emotionally hardened
    Correct
    Wrong
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    insensitive
    Correct
    Wrong
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    sympathetic
    Correct
    Wrong
  • 4
    Unkind
    Correct
    Wrong
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Answer : 3. "sympathetic"
Explanation :

Answer: C) sympathetic Explanation: A callous person is insensitive or emotionally hardened.   Hence, Callous is the opposite of Sympathetic, kind hearted, sensitive, nice,...

Q: How many balls? Number of balls in the figure... 2003 0

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Answer :
Explanation :

You have to actually count all the balls in the pyramid.Simple way is to count the balls in each level. So lower most level lets say 1st level has 4 x 4 balls; i.e. 16 ballsSimilarly 2nd level has 3 x 3 balls; i.e. 9 balls.3rd level has 2 x 2 balls; i.e. 4 balls.The top most level has just 1 ball. So the total number of balls is 16+9+4+1 = 30.   So the image has 30 Balls in all.

Q: In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ? 2003 0

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

Answer: C) 3 Explanation: Assume the family has X girls and Y boys, according to the question,we can have 2 equations:X-1=Y, 2(Y-2)=X.Solve the equations, we get X=4, Y=3.

Q: Cassock : Priest :: ? : Graduate 2003 0

  • 1
    Gown
    Correct
    Wrong
  • 2
    Tie
    Correct
    Wrong
  • 3
    Cap
    Correct
    Wrong
  • 4
    Coat
    Correct
    Wrong
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Answer : 1. "Gown"
Explanation :

Answer: A) Gown Explanation: A Christian Priest wears cassock while a Graduate wears gown.   Hence, Cassock : Priest :: Gown : Graduate.

Q: 5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2 days. How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days? 2002 0

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

Answer: C) 2 Explanation: Let workdone 1 boy in 1 day be b and that of 1 girl be g From the given data, 4(5b + 3g) = 23 20b + 12g = 23 .......(a)   2(3b + 2g) = 7 6b + 4g = 7 ........(b)   Solving (a) & (b), we get b = 1, g = 1/4   Let number og girls required be 'p' 6(7 x 1 + p x 1/4) = 45 => p = 2.   Hence, number of girls required = 2

Q: If 'A$B' means ' A is father of B ', 'A#B' means ' A is daughter of B ', 'A@B' means ' A is sister of B ' then  how is K related to Lin "H@K$L#M" ? 2002 0

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    Husband
    Correct
    Wrong
  • 2
    Uncle
    Correct
    Wrong
  • 3
    Father
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
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Answer : 1. "Husband"
Explanation :

Answer: A) Husband Explanation:

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