IIT JEE Practice Question and Answer

Q: Exercise is to Gym as Eating is to 6351 0

  • 1
    Dieting
    Correct
    Wrong
  • 2
    Fitness
    Correct
    Wrong
  • 3
    Restaurent
    Correct
    Wrong
  • 4
    Food
    Correct
    Wrong
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Answer : 3. "Restaurent"
Explanation :

Answer: C) Restaurent Explanation: The given words are related in such a manner that, for exercise we go to gym. Simmilarly, for eating we go to restaurent.   Hence, Exercise : Gym :: Eating : Restaurent.

Q: A boy can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is ? 6331 0

  • 1
    1.8 kmph
    Correct
    Wrong
  • 2
    2 kmph
    Correct
    Wrong
  • 3
    2.2 kmph
    Correct
    Wrong
  • 4
    1.5 kmph
    Correct
    Wrong
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Answer : 4. "1.5 kmph"
Explanation :

Answer: D) 1.5 kmph Explanation: Speed of Boy is B = 4.5 kmph Let the speed of the stream is S = x kmph Then speed in Down Stream = 4.5 + x speed in Up Stream = 4.5 - x As the distance is same, => 4.5 + x = (4.5 - x)2 => 4.5 + x = 9 -2x 3x = 4.5 x = 1.5 kmph

Q: Spyware can result in all of the following except 6308 0

  • 1
    Control over a device
    Correct
    Wrong
  • 2
    Tracking users
    Correct
    Wrong
  • 3
    Gathering personal information
    Correct
    Wrong
  • 4
    Save duplicate files
    Correct
    Wrong
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Answer : 4. "Save duplicate files"
Explanation :

Answer: D) Save duplicate files Explanation: Spyware is software that aims to gather information about a person or organization without their knowledge, that may send such information to another entity without the consumer's consent, or that asserts control over a device without the consumer's knowledge   Spyware is mostly used for the purposes of tracking and storing Internet users' movements on the Web and serving up pop-up ads to Internet users. Whenever spyware is used for malicious purposes, its presence is typically hidden from the user and can be difficult to detect. Some spyware, such as keyloggers, may be installed by the owner of a shared, corporate, or public computer intentionally in order to monitor users.

Q: If HAT is coded as 'jcv' then what will GUN be coded as? 6281 0

  • 1
    iwp
    Correct
    Wrong
  • 2
    IKM
    Correct
    Wrong
  • 3
    kip
    Correct
    Wrong
  • 4
    Klp
    Correct
    Wrong
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Answer : 1. "iwp"
Explanation :

Answer: A) iwp Explanation: Here HAT is coded as jcv => Leaving a letter in between i.e, after H leave i write j in small letters In the same way, A => c, T => v Similarly for GUN => iwp

Q: It takes five minutes to pass a rumour from one person to two other persons. The tree of rumour continues. Find how many minutes does it take spread the rumour to 729 persons ? 6265 0

  • 1
    45 min
    Correct
    Wrong
  • 2
    25 min
    Correct
    Wrong
  • 3
    30 min
    Correct
    Wrong
  • 4
    36 min
    Correct
    Wrong
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Answer : 3. "30 min"
Explanation :

Answer: C) 30 min Explanation: After 5 mins ..... 3 persons will get rumourAfter 10 mins .... 3x2 + 3 = 9 = 32 persons will get after 15 =5x3 min ......9x2 + 9 =27 = 33 persons will get news...after 5x6 mins ... 36 = 729 persons will get news.   Therefore, time taken to spread the rumour to 729 persons is 30 minutes.

Q: Afreena walks 8 km towards East and then walks 13 km back, then she turns left and walks 4 km; then walks 5 km after turning left; she turns left again and walks 3 km. How far is she from the starting point ? 6243 0

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

Answer: C) 1 km Explanation:

Q: First Indian woman to win Man Booker Prize? 6242 0

  • 1
    Kiran Desai
    Correct
    Wrong
  • 2
    V.S. Naipaul
    Correct
    Wrong
  • 3
    Salman Rushdie
    Correct
    Wrong
  • 4
    Arundhati Roy
    Correct
    Wrong
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Answer : 4. "Arundhati Roy"
Explanation :

Answer: D) Arundhati Roy Explanation: Arundhati Roy was the first Indian woman to win the Man Booker Prize in the year 1997. An Indian writer, Arundhati Roy, was awarded England's prestigious Booker Prize this evening for her first novel, ''The God of Small Things,'' a soaring story about a set of twins struggling to make sense of the world, themselves and their strange and difficult family in southern India.   Kiran Desai was the youngest woman to win the Man Booker Prize. Bernice Rubens became the first woman to win the Booker Prize in 1970. Man Booker Prize is one of the world's richest literary prizes.

Q: How many such pairs of digits are there in the number 421579368 each of which has as many digits between them in the number as when they are arranged in ascending order? 6218 0

  • 1
    None
    Correct
    Wrong
  • 2
    One
    Correct
    Wrong
  • 3
    Two
    Correct
    Wrong
  • 4
    Three
    Correct
    Wrong
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Answer : 4. "Three"
Explanation :

Answer: D) Three Explanation: Given Number:     4  2  1  5  7  9  3  6  8   Ascending order:  1  2  3  4  5  6  7  8  9   Hence the required pairs are  12, 49, 16

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