GATE Practice Question and Answer

Q: "Compounding frequency" refers to 2717 0

  • 1
    What type of interest your account earns
    Correct
    Wrong
  • 2
    How often your interest is calculated and added back into your account
    Correct
    Wrong
  • 3
    What interest rate you can expect from your account
    Correct
    Wrong
  • 4
    How easily you can add money into your account
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "How often your interest is calculated and added back into your account"
Explanation :

Answer: B) How often your interest is calculated and added back into your account Explanation: Compounding frequency : The time periods when interest will be calculated on top of the original loan amount (or) The number of compounding periods in one year.   The greater the compounding frequency, the more often your interest is calculated and added back into your account.

Q: The Length of the Day is determined in 2717 0

  • 1
    length of the hours
    Correct
    Wrong
  • 2
    length of the year
    Correct
    Wrong
  • 3
    astronomical units
    Correct
    Wrong
  • 4
    solar terms
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "astronomical units"
Explanation :

Answer: C) astronomical units Explanation: The Length of the Day is determined in Astronomical Units. The length of a day corresponds to the time the Earth takes to turn around on its axis, which is approximately 24 hours. But it's not exactly 24 hours.  This phenomenon is due to tides raised by the Moon which slow Earth's rotation. Because of the way the second is defined, the mean length of a day is now about 86 400.002 seconds, and is increasing by about 1.7 milliseconds per century.

Q: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 2716 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "-1"
Explanation :

Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.

Q: What is better, to have 70% discount or 40 and 30% discount consequently ? 2715 0

  • 1
    40% is better
    Correct
    Wrong
  • 2
    70% is better
    Correct
    Wrong
  • 3
    Both are same
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

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: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 2715 0

  • 1
    4400
    Correct
    Wrong
  • 2
    3100
    Correct
    Wrong
  • 3
    2800
    Correct
    Wrong
  • 4
    5600
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "4400"
Explanation :

Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.

Q: Given that on 9th August 2016 is Saturday. What was the day on 9th August 1616 ? 2711 0

  • 1
    Saturday
    Correct
    Wrong
  • 2
    Sunday
    Correct
    Wrong
  • 3
    Friday
    Correct
    Wrong
  • 4
    Monday
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Saturday"
Explanation :

Answer: A) Saturday Explanation: We know that, After every 400 years, the same day occurs.Thus, if 9th August 2016 is Saturday, before 400 years i.e., on 9th August 1616 has to be Saturday.

Q: System Study involves 2705 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
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation:

Q: Find the next number in the given number series? 96, 95, 87, 78, ? 2705 0

  • 1
    64
    Correct
    Wrong
  • 2
    57
    Correct
    Wrong
  • 3
    29
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "14"
Explanation :

Answer: D) 14 Explanation: The given number series is 96, 95, 87, 78, ?  It follows a pattern that, 9696 - 12 = 9595 - 23 = 95 - 8 = 8787 - 32 = 87 - 9 = 7878 - 43 = 78 - 64 = 14   Hence, the next number in the given number series is 14.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully