IIT JEE Practice Question and Answer

Q: The Capacity of a Communication Channel is Measured in 5623 0

  • 1
    Band rate
    Correct
    Wrong
  • 2
    Band width
    Correct
    Wrong
  • 3
    Data flow
    Correct
    Wrong
  • 4
    Bit capacity
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Band width"
Explanation :

Answer: B) Band width Explanation: The path that data takes from source to destination is called a Channel. A channel is a communication medium. A channel has a certain capacity for transmitting information.    The "capacity" of a channel is the theoretical upper-limit to the bit rate over a given channel that will result in negligible errors. Channel capacity is often measured by its Bandwidth in Hz or its data rate in bits per second.

Q: Vaunt : Flaunt :: Disparate : ? 5602 0

  • 1
    Similar
    Correct
    Wrong
  • 2
    Homogenous
    Correct
    Wrong
  • 3
    Contrast
    Correct
    Wrong
  • 4
    Alike
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

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.

Q: One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ? 5571 0

  • 1
    Rs.1,92,000
    Correct
    Wrong
  • 2
    Rs.2,24,000
    Correct
    Wrong
  • 3
    Rs.1,26,000
    Correct
    Wrong
  • 4
    Rs.3,42,000
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Rs.2,24,000"
Explanation :

Answer: B) Rs.2,24,000 Explanation: One-quarter of one-seventh = 1/4 x 1/7= 1/28Now, 1/28 of a land costs = Rs. 30,000Thus, 8/35 of the land will cost = 30,000 x 28 x 4/15= Rs. 2,24,000.

Q: Bruise is to Fall as Bump is to 5524 0

  • 1
    Lump
    Correct
    Wrong
  • 2
    Knock
    Correct
    Wrong
  • 3
    Limp
    Correct
    Wrong
  • 4
    Wound
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Knock"
Explanation :

Answer: B) Knock Explanation: After falling it bruises, similarly after knocking it bumps.   Hence, Bruise : Fall :: Bump : Knock.

Q: A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed ? 5506 0

  • 1
    1hr
    Correct
    Wrong
  • 2
    1 hr 20 min
    Correct
    Wrong
  • 3
    1 hr 10 min
    Correct
    Wrong
  • 4
    50 min
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "1 hr 20 min"
Explanation :

Answer: B) 1 hr 20 min Explanation: Let the distance and original speed be 'd' km and 'k' kmph respectively. d/0.8k - d/k = 20/60 => 5d/4k - d/k = 1/3 => (5d - 4d)/4k = 1/3 => d = 4/3 k Time taken to cover the distance at original speed = d/k = 4/3 hours = 1 hour 20 minutes.

Q: Choose the alternative which is closely resembles the water image of the given combination/figure. ADVANCE   1)   2)   3)   4) NONE 5478 0

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

Answer : 2. "2"
Explanation :

Answer: B) 2 Explanation:

Q: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5477 0

  • 1
    North-East
    Correct
    Wrong
  • 2
    West
    Correct
    Wrong
  • 3
    South-East
    Correct
    Wrong
  • 4
    South
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "West"
Explanation :

Answer: B) West Explanation: First girl facing NorthThen she rotates 100 deg clock wise => 10 deg ESThen again she rotates 190 deg anti clock wise => for 100 deg it is North and more 90 deg means West.Therefore, the new direction of the girl is West.

Q: Hari Ram’s present age is three times his son’s present age and two fifth of his father’s present age. The average of the present age of all of them is 46 years. What is the difference between Hari Ram’s son’s present age and Hari Ram’s father’s present age? 5469 0

  • 1
    44 yrs
    Correct
    Wrong
  • 2
    56 yrs
    Correct
    Wrong
  • 3
    67 yrs
    Correct
    Wrong
  • 4
    78 yrs
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "78 yrs"
Explanation :

Answer: D) 78 yrs Explanation: Let Hari Ram's present age = x Then, his son's age = x/3 Father's age = 5x/2 x + x3 + 52x3 = 46=> x = 36 yrs Now the required difference = 52x36 - 363 = 78 yrs

      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