GRE Practice Question and Answer

Q: Fuse Wire is Made of? 1738 0

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    an alloy of Tin and Lead
    Correct
    Wrong
  • 2
    Nickel
    Correct
    Wrong
  • 3
    Copper
    Correct
    Wrong
  • 4
    an alloy of Nickel and Lead
    Correct
    Wrong
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Answer : 1. "an alloy of Tin and Lead"
Explanation :

Answer: A) an alloy of Tin and Lead Explanation: Fuse Wire is Made of an alloy of Tin and Lead.   If too high a current flows, the element rises to a higher temperature and either directly melts, or else melts a soldered joint within the fuse, opening the circuit. Thefuse element is made of an alloy of Tin and Lead to provide stable and predictable characteristics.

Q: Who has been elected as Chairman and CEO of KPMG India in 2017 ? 1735 0

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    Richard Rekhy
    Correct
    Wrong
  • 2
    John Veihmeyer
    Correct
    Wrong
  • 3
    Subir Moitra
    Correct
    Wrong
  • 4
    Arun M Kumar
    Correct
    Wrong
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Answer : 4. "Arun M Kumar"
Explanation :

Answer: D) Arun M Kumar Explanation: KPMG in India announced the election of Arun M. Kumar as Chairman and Chief Executive Officer of the firm for a five-year term, on February 5, 2017.Arun Kumar succeeds Richard Rekhy, who led the firm as CEO for over four years. Arun Kumar was elected by the KPMG India Board and ratified by the India Partners. The firm executed a well-defined governance process for the selection of the CEO that aligns with the objective of building on its success as well as attracting the best talent available for this role. Arun Kumar brings a wealth of international leadership experience to KPMG India, including his tenure in public service in the United States for the last three years as Assistant Secretary of Commerce for Global Markets and Director General of US and Foreign Commercial Service in the Obama Administration.

Q: What is the science of mapmaking called? 1733 0

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    Coriography
    Correct
    Wrong
  • 2
    Cartography
    Correct
    Wrong
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    Photograrnmetry
    Correct
    Wrong
  • 4
    Mapping
    Correct
    Wrong
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Answer : 2. "Cartography"
Explanation :

Answer: B) Cartography Explanation: The art and science of map making is called Cartography.

Q: A single pipe of diameter x has to be replaced by six pipes of diameters 12 cm each. The pipes are used to covey some liquid in a laboratory. If the speed/flow of the liquid is maintained the same then the value of x is ? 1732 0

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    14.69 cm
    Correct
    Wrong
  • 2
    29.39 cm
    Correct
    Wrong
  • 3
    18.65 cm
    Correct
    Wrong
  • 4
    22.21 cm
    Correct
    Wrong
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Answer : 2. "29.39 cm"
Explanation :

Answer: B) 29.39 cm Explanation: Volume of water flowing through 1 pipe of diameter x = Volume discharged by 6 pipes of diameter 12 cms.   As speed is same, area of cross sections should be same.    Area of bigger pipe of diameter x = Total area of 6 smaller pipes of diameter 12  i.e πR2 = 6πR12    Here R = R and R1 = 12/2 = 6    ⇒R2 = 6×6×6    R = 14.696    => D = X = 14.696 * 2 = 29.3938 cm.

Q: Choose apropriate words which gives a complete meaning to the sentence from the given options. we were thinking ______ it _______ something like a requiem for our age. 1725 0

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    for, because
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    Wrong
  • 2
    for, as
    Correct
    Wrong
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    of, as
    Correct
    Wrong
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    of, since
    Correct
    Wrong
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Answer : 3. "of, as"
Explanation :

Answer: C) of, as Explanation:

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Answer : 2. "1/6"
Explanation :

Answer: B) 1/6 Explanation: Total work is given by L.C.M of 72, 48, 36 Total work = 144 units Efficieny of A = 144/72 = 2 units/day Efficieny of B = 144/48 = 3 units/day Efficieny of C = 144/36 = 4 units/day   According to the given data, 2 x p/2 + 3 x p/2 + 2 x (p+6)/3 + 3 x (p+6)/3 + 4 x (p+6)/3 = 144 x (100 - 125/3) x 1/100 3p + 4.5p + 2p + 3p + 4p = 84 x 3 - 54 p = 198/16.5 p = 12 days.   Now, efficency of D = (144 x 125/3 x 1/100)/10 = 6 unit/day (C+D) in p days = (4 + 6) x 12 = 120 unit Remained part of work = (144-120)/144 = 1/6.

Q: In a certain Business, the profit is 220% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1718 0

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    61%
    Correct
    Wrong
  • 2
    75%
    Correct
    Wrong
  • 3
    55%
    Correct
    Wrong
  • 4
    81%
    Correct
    Wrong
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Answer : 1. "61%"
Explanation :

Answer: A) 61% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs.220,  S.P. = Rs.320.   New C.P. = 125% of Rs. 100 = Rs. 125  New S.P. = Rs.320. Profit = Rs. (320 - 125) = Rs. 195   Required percentage = 195320×100== 60.9 =~ 61%

Q: A line is an undefined term because it 1717 0

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Answer :
Explanation :

A line is an undefined term because of it :   1. Contains an infinite number of points 2. can be used to create other geometric shapes 3. is a term that does not have a formal definition   In Geometry, unless it's stated, a line will extend in one dimension and goes on forever in both ways.

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