GATE Practice Question and Answer

Q: X can complete the work in 10 days, Y can do the same in 15 days. If they are hired for 5 days to do the work together, what is the work that left unfinished? 2281 0

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

Answer: C) 1/6 Explanation: Given X can do in 10 days  => 1 day work of X = 1/10   Y can do in 15 days  => 1 day work of Y = 1/15   1day work of (X + Y) = 1/10 + 1/15 = 1/6   Given they are hired for 5 days  => 5 days work of (X + Y) = 5 x 1/6 = 5/6  Therefore, Unfinished work = 1 - 5/6 = 1/6

Q: What does this symbol mean '&'? 2281 0

  • 1
    Caret
    Correct
    Wrong
  • 2
    Bar
    Correct
    Wrong
  • 3
    Ampersand
    Correct
    Wrong
  • 4
    Reversed Caret
    Correct
    Wrong
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Answer : 3. "Ampersand"
Explanation :

Answer: C) Ampersand Explanation: '&' is a Logical Symbol and is called as Ampersand.   ^ is called Caret - is called Bar v is called Reversed Caret.

Q: A number when subtracted by 1/7 th of itself gives the same value as the sum of all the angles of a triangle. What is the number? 2281 0

  • 1
    420
    Correct
    Wrong
  • 2
    210
    Correct
    Wrong
  • 3
    70
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
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Answer : 2. "210"
Explanation :

Answer: B) 210 Explanation: Let the required number be 'p' We know, sum of angles in a triangle are 180 deg According to given data, p - p/7 = 180 7p - p = 180 x 7 => 6p = 1260 => p = 1260/6 = 210

Q: Cup is to Coffee as Bowl is to 2274 0

  • 1
    Soup
    Correct
    Wrong
  • 2
    Food
    Correct
    Wrong
  • 3
    Fork
    Correct
    Wrong
  • 4
    Mug
    Correct
    Wrong
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Answer : 1. "Soup"
Explanation :

Answer: A) Soup Explanation: Cup : Coffee :: Bowl : Soup Because Coffee goes into a Cup and Soup goes into a Bowl where Food is a general thing and Mug is an other utensil.  So, Cup is to Coffee as Bowl is to Soup.

Q: When Ankith saw Sanvi, he recalled, " She is the daughter of the father of my daughter's mother." Who is Sanvi to Ankit ? 2273 0

  • 1
    sister
    Correct
    Wrong
  • 2
    daughter-in-law
    Correct
    Wrong
  • 3
    sister-in-law
    Correct
    Wrong
  • 4
    cousin
    Correct
    Wrong
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Answer : 3. "sister-in-law"
Explanation :

Answer: C) sister-in-law Explanation: Ankit's daughter's mother---Ankit's wife; Ankit's wife's father---Ankit's father-in-law;Father-in-law's daughter--- Ankit's sister-in-law. So, Sanvi is sister-in-law of Ankit.

Q: What is the common ratio of the following geometric sequence? 4, 2, 1, 0.5, 0.25, 0.125,... 2272 0

  • 1
    0.5
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1.5
    Correct
    Wrong
  • 4
    -0.5
    Correct
    Wrong
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Answer : 1. "0.5"
Explanation :

Answer: A) 0.5 Explanation: In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.   Herein the given sequence, 4, 2, 1, 0.5, 0.25, 0.125,... Common Ratio r = 2/4 = 1/2 = 0.5/1 = 0.25/0.5 = 0.125/0.25 == 0.5.

Q: Which of the following is not a function of cytoskeleton in a cell ? 2271 0

  • 1
    Maintenance of cell shape and structure
    Correct
    Wrong
  • 2
    Intracellular transport
    Correct
    Wrong
  • 3
    Cell motility
    Correct
    Wrong
  • 4
    Support of the organelle
    Correct
    Wrong
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Answer : 2. "Intracellular transport"
Explanation :

Answer: B) Intracellular transport Explanation: A cytoskeleton is the frame that gives shape to a cell. And also it offers support, and facilitates movement through three main components: microfilaments, intermediate filaments, and microtubules.   The cytoskeleton helps the cell move in its environment and controls the movement of all of the cell's interior workings.

Q: I have four fingers and a thumb, but not alive. Who am I? 2267 0

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Answer :
Explanation :

A glove. It has 5 fingers as we have but not alive.

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