GRE Practice Question and Answer

Q: What is better, to have 70% discount or 40 and 30% discount consequently ? 2986 0

  • 1
    40% is better
    Correct
    Wrong
  • 2
    70% is better
    Correct
    Wrong
  • 3
    Both are same
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "70% is better"
Explanation :

Answer: B) 70% is better Explanation: Let Price be Rs.100 1st CASE: Then 100 x 70/100 = 70=> price after discount = 100-70 = Rs.30 2nd CASE: Then 100 x 40/100 = 40=> price after discount = 100-40 = Rs.60then60 x 30/100 = 18=> price after 2 consequent discount = 60-18 = Rs.42 =>from 1 and 2 cases, 70% discount is better.

Q: System Study involves 2981 0

  • 1
    documenting the existing system
    Correct
    Wrong
  • 2
    identifying current deficiencies and establishing new goals
    Correct
    Wrong
  • 3
    study of an existing system
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation:

Q: I. a2-7a+12 = 0, II. b2-3b+2 = 0 Solve both the equations to find the values of a and b  ? 2963 0

  • 1
    if a > b
    Correct
    Wrong
  • 2
    if a < b
    Correct
    Wrong
  • 3
    if the relationship between a and b cannot be established.
    Correct
    Wrong
  • 4
    if a ≤ b
    Correct
    Wrong
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Answer : 1. "if a > b"
Explanation :

Answer: A) if a > b Explanation: I.  (a - 3)(a - 4) = 0   => a = 3, 4   II.   (b - 2)(b - 1) = 0   => b = 1, 2   => a > b

Q: Fill in the blanks with suitable prepositions from the given options. The dog was sitting _______ the table waiting _______ catch the ball that was thrown ________ him _________ his master. 2959 0

  • 1
    below, for, to, by
    Correct
    Wrong
  • 2
    under, for, towards, by
    Correct
    Wrong
  • 3
    up, to, towards, by
    Correct
    Wrong
  • 4
    under, to, towards, by
    Correct
    Wrong
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Answer : 4. "under, to, towards, by"
Explanation :

Answer: D) under, to, towards, by Explanation: The dog was sitting under the table waiting to catch the ball that was thrown towards him by his master.

Q: Which of the following pairs is mismatched? 2950 0

  • 1
    Pila globosa - pearl
    Correct
    Wrong
  • 2
    Kenia lacca - lac
    Correct
    Wrong
  • 3
    Apis indica - honey
    Correct
    Wrong
  • 4
    Bombyx mori - silk
    Correct
    Wrong
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Answer : 1. "Pila globosa - pearl"
Explanation :

Answer: A) Pila globosa - pearl Explanation: Pinctada vulgaris is a bivalve from which pearl is obtained.

Q: Choose the pair which shows the same relation of the given pair from the following options ?  BRISTLE : BRUSH 2931 0

  • 1
    arm : leg
    Correct
    Wrong
  • 2
    key : piano
    Correct
    Wrong
  • 3
    recline : chair
    Correct
    Wrong
  • 4
    stage : curtain
    Correct
    Wrong
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Answer : 2. "key : piano"
Explanation :

Answer: B) key : piano Explanation: A bristle is a part of a brush; a key is a part of a piano.

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Answer : 3. "Either b alone or a & b follows"
Explanation :

Answer: C) Either b alone or a & b follows Explanation: From statement (b)Average of 11 players = 11 x 28 = 308Average of 10 players = 10 x 27.3 = 273Age of captain = 308 - 273 = 35. From the Statement (a) we can say that captain's age (C) = y + 11 ...(1) where y-youngers ageFrom the statement (c),the averge age of 3groups of 3players each was given,It means total 9 players age was given indirectly,1st group: 25 x 3 = 752nd group: 28 x 3 = 843rd group: 30 x 3 = 90Total  is 75 + 84 + 90 = 249Now {C + Y + (9 players age sum)}/11 = 28Y + 11 + Y + (249) = 28 x 11=3082Y+260=3082Y = 308-260 = 40 ==> Y=24 ==> C(captain's age)= Y+11 = 24+11 = 35 Therefore, statement b alone or a & c only is the answer.

Q: In the series given below , how many 8's are there each of which is exactly divisible by its immediate preceeding as well as succeeding numbers ?2 8 3 8 2 4 8 2 4 8 6 8 2 8 2 4 8 3 8 2 8 6 2923 0

  • 1
    five
    Correct
    Wrong
  • 2
    four
    Correct
    Wrong
  • 3
    two
    Correct
    Wrong
  • 4
    one
    Correct
    Wrong
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Answer : 3. "two"
Explanation :

Answer: C) two Explanation: Clearly, we may mark such sets of 3 numbers, in which the middle number is 8 and each of the two numbers on both sides of it is a factor of 8, as shown below : 2 8 3 8 2 4 8 2 4 8 6 8 2 8 2 4 8 3 8 2 8 6 So, there are two such 8's. Hence the answer is C.

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