GATE Practice Question and Answer

Q: Find the wrong number from the following series ?37   47    52    67    87    112    142 6329 0

  • 1
    87
    Correct
    Wrong
  • 2
    47
    Correct
    Wrong
  • 3
    52
    Correct
    Wrong
  • 4
    67
    Correct
    Wrong
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Answer : 2. "47"
Explanation :

Answer: B) 47 Explanation: The given series follows the rule,+(5x1), +(5x2), +(5x3), +(5x4), +(5x5),.... So starting from 37, 37 + 5 = 42, 42 + 10 = 52, 52 + 15 = 67, 67 + 20 = 87,...So wrong number is 47 which is to be 42.

Q: If today is Saturday, what will be the day 350 days from now  ? 6288 0

  • 1
    Saturday
    Correct
    Wrong
  • 2
    Friday
    Correct
    Wrong
  • 3
    Sunday
    Correct
    Wrong
  • 4
    Monday
    Correct
    Wrong
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Answer : 1. "Saturday"
Explanation :

Answer: A) Saturday Explanation: 350 days, 350/7 = 50, no odd days, so it will be a Saturday.

Q: One year ago the ratio between Maneela’s and Shanthi’s salary was 3 : 4. The ratios of their individual salaries between last year’s and this year’s salaries are 4 : 5 and 2 : 3 respectively. At present the total of their salary is Rs. 4160. The salary of Maneela, now is? 6256 0

  • 1
    Rs. 1600
    Correct
    Wrong
  • 2
    Rs. 1700
    Correct
    Wrong
  • 3
    Rs. 1800
    Correct
    Wrong
  • 4
    Rs. 1900
    Correct
    Wrong
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Answer : 1. "Rs. 1600"
Explanation :

Answer: A) Rs. 1600 Explanation: Let the salaries of Maneela and Shanthi one year before be M1, S1 & now be M2, S2 respectively. Then, from the given data, M1/S1 = 3/4  .....(1) M1/M2 = 4/5 .....(2) S1/S2 = 2/3  .....(3) and M2 + S2 = 4160  .....(4)   Solving all these eqtns, we get M2 = Rs. 1600.

Q: Find the odd number out of the following number series? 2 4 8 11.5 18.25 28.375 6247 0

  • 1
    18.25
    Correct
    Wrong
  • 2
    28.375
    Correct
    Wrong
  • 3
    11.5
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 4. "8"
Explanation :

Answer: D) 8 Explanation: Given number series follows a pattern that, 2 2 x 1.5 + 1 = 4 4 x 1.5 + 1 = 7 (not equal to 8) 7 x 1.5 + 1 = 11.5 11.5 x 1.5 + 1 = 18.25 18.25 x 1.5 + 1 = 28.375   Hence, the odd number in the given number series is 8.

Q: The process of collecting, organizing and analyzing data is called 6221 0

  • 1
    Statistics
    Correct
    Wrong
  • 2
    Data collection
    Correct
    Wrong
  • 3
    Probability
    Correct
    Wrong
  • 4
    Systematic evaluation
    Correct
    Wrong
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Answer : 1. "Statistics"
Explanation :

Answer: A) Statistics Explanation: The process of collecting, organizing and analyzing data is called Statistics.

Q: Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ? 6161 0

  • 1
    4 days
    Correct
    Wrong
  • 2
    8 days
    Correct
    Wrong
  • 3
    3 days
    Correct
    Wrong
  • 4
    6 days
    Correct
    Wrong
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Answer : 4. "6 days"
Explanation :

Answer: D) 6 days Explanation: 4/10 + 9/x = 1     => x = 15    Then both can do in  1/10 + 1/15 = 1/6     => 6 days

Q: A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ? 6116 0

  • 1
    64
    Correct
    Wrong
  • 2
    76
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    98
    Correct
    Wrong
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Answer : 3. "84"
Explanation :

Answer: C) 84 Explanation: Given total sum = Rs. 427And given that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal.=> 3A = 4B = 7CBut given=> A + B + C = 427Now express A and B in terms of C i.e=> (7C/3) + (7C/4) + C = 427=> C = 84

Q: Vaunt : Flaunt :: Disparate : ? 6113 0

  • 1
    Similar
    Correct
    Wrong
  • 2
    Homogenous
    Correct
    Wrong
  • 3
    Contrast
    Correct
    Wrong
  • 4
    Alike
    Correct
    Wrong
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Answer : 3. "Contrast"
Explanation :

Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something.   Flaunt is the synonym of the word Vaunt.   Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate.   Here in the given options, Contrast is the only word which is similar in meaning of Disparate.   Hence, Vaunt : Flaunt :: Disparate : Contrast.

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