GATE Practice Question and Answer

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Answer : 3. "(3)"
Explanation :

Answer: C) (3) Explanation: 'provision' should replace 'provisional'.   A noun is required here and provisional is an adjective. Provision means supplies whereas provisional means temporary or contingent.

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Answer : 1. "400"
Explanation :

Answer: A) 400 Explanation: Let the total number of pages in the book be 'x'. From given data, 2x/5 + 34x/100 + 52 + 52 = x => 40x + 34x + 10400 = 100x => 26x = 10400 => x = 400. Hence, total pages in the book are 400.

Q: Read both the statements given below and answer the question. Q : Which train did Harish catch to go to office ? Statements : A. Harish missed his usual train of 4.15 p.m. A train comes in every 15 minutes. B. Harish did not catch the 4.45 p.m. train or any train after that time. 1599 0

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    If statement B alone is sufficient but statement A alone is not sufficient.
    Correct
    Wrong
  • 2
    If statement A alone is sufficient but statement B alone is not sufficient.
    Correct
    Wrong
  • 3
    If both statement together are sufficient, but neither statement alone is sufficient.
    Correct
    Wrong
  • 4
    If statement A and B together are not sufficient.
    Correct
    Wrong
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Answer : 4. "If statement A and B together are not sufficient."
Explanation :

Answer: D) If statement A and B together are not sufficient. Explanation: From both statements we cannot conclude the train catched by Harish Since he missed at 4.15 and train coes at 4.30, 4.45, 5.00,... But in B given that he didn't catch the train at 4.45 and after that. So both statements A & B together are not sufficient to answer the question.

Q: Assuming the given statements to be true, find which of the two conclusions A and B given below is/are definitely true. Statements: C < T < L= P > Q,  N > C > Y Conclusions:   A. P > Y       B. Y < P 1519 0

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    only conclusion B is true.
    Correct
    Wrong
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    only conclusion A is true.
    Correct
    Wrong
  • 3
    neither conclusion I nor II is true.
    Correct
    Wrong
  • 4
    either conclusion I or II is true.
    Correct
    Wrong
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Answer : 1. "only conclusion B is true."
Explanation :

Answer: A) only conclusion B is true. Explanation: From given statements, we can conclude that N > C < T < L= P > Q  .....(1) Here given that C > Y but in eq(1) we got that C < T < T <= P => Y is definitely less than P. So only conclusion B is True.

Q: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1712 0

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    Rs. 5989
    Correct
    Wrong
  • 2
    Rs. 6540
    Correct
    Wrong
  • 3
    Rs. 7844
    Correct
    Wrong
  • 4
    Rs. 6789
    Correct
    Wrong
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Answer : 2. "Rs. 6540"
Explanation :

Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs  C.I = P1+201002-1   5984 =    => P = (5995x25)/11   P = Rs. 13625   Now S.I = PTR/100   SI = (13625 x 8 x 6)/100 = Rs. 6540

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Answer : 1. "(1)"
Explanation :

Answer: A) (1) Explanation: The error lies in part (1).  As the phrase 'as much as' needs to be replaced with 'much as I'. This is because we use 'as much as' for comparing two qualities or things. But here in the given sentence a contrast is given in the latter part of the sentence. So we need a conjunction like 'even though' 'although' etc... 'Much as I' also serves the same purpose.

Q: In the following question, two equations numbered 1 and 2 are given. You have to solve both the equations and determine the relation between a and b. 1.  5a2-18a+9=0 2.  3b2+5b-2=0 1473 0

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    a >= b
    Correct
    Wrong
  • 2
    a <= b
    Correct
    Wrong
  • 3
    a < b
    Correct
    Wrong
  • 4
    a > b
    Correct
    Wrong
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Answer : 4. "a > b"
Explanation :

Answer: D) a > b Explanation: From solving 1 and 2 we get,   1. 5a(a-3)-3(a-3) = 0   (5a-3)(a-3) = 0   a = 3 or 3/5   2.    3b(b+2)-1(b+2) = 0   b = -2 or b = 1/3   Here when a = 3, a > b for b = -2 and b = 1/3   when a = 3/5. a > b for b = -2 and b = 1/3.   Hence, it is clear that a > b.

Q: Find out the wrong term in the following number series. 4, 16, 37, 58, 81. 1766 0

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    16
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    81
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 3. "81"
Explanation :

Answer: C) 81 Explanation: The series follows the following pattern.   4   16 = 42   37 = 12+62   58 = 32+72   81 ≠52+82.   Here every number is based on the digits of previous number. Hence, 81 is the wrong number in the given series.

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