IIT JEE Practice Question and Answer

Q: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5234 0

  • 1
    North-East
    Correct
    Wrong
  • 2
    West
    Correct
    Wrong
  • 3
    South-East
    Correct
    Wrong
  • 4
    South
    Correct
    Wrong
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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: One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ? 5234 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
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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: Find the odd man out of the number series? 18, 37, 76, 155, 314, 635 5230 0

  • 1
    37
    Correct
    Wrong
  • 2
    155
    Correct
    Wrong
  • 3
    314
    Correct
    Wrong
  • 4
    635
    Correct
    Wrong
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Answer : 4. "635"
Explanation :

Answer: D) 635 Explanation: Given Number series is 18     37     76     155     314     635   follows a pattern that,    18   18 x 2 +1 = 37   37 x 2 +2 = 76   76 x 2 +3 = 155   155 x 2 +4 = 314   314 x 2 +5 = 633 not 635       Hence, the odd man is 635.

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? 5230 0

  • 1
    44 yrs
    Correct
    Wrong
  • 2
    56 yrs
    Correct
    Wrong
  • 3
    67 yrs
    Correct
    Wrong
  • 4
    78 yrs
    Correct
    Wrong
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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

Q: Bruise is to Fall as Bump is to 5224 0

  • 1
    Lump
    Correct
    Wrong
  • 2
    Knock
    Correct
    Wrong
  • 3
    Limp
    Correct
    Wrong
  • 4
    Wound
    Correct
    Wrong
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Answer : 2. "Knock"
Explanation :

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

Q: Off-duty risk decisions are 5210 0

  • 1
    Dictated by the Department of the Army
    Correct
    Wrong
  • 2
    The responsibility of individual Soldiers
    Correct
    Wrong
  • 3
    Made by leaders and commanders
    Correct
    Wrong
  • 4
    Not a consideration
    Correct
    Wrong
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Answer : 2. "The responsibility of individual Soldiers"
Explanation :

Answer: B) The responsibility of individual Soldiers Explanation: Risk Management : A decision-making process for identifying hazards and controlling risks both on-duty and off-duty is called a Risk Management (RM).   Hence, Off-duty risk decisions are the responsibility of individual Soldiers.

Q: 7 9 19 18 31 29 Find the odd number in the given Number Series? 5179 0

  • 1
    31
    Correct
    Wrong
  • 2
    29
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    19
    Correct
    Wrong
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Answer : 2. "29"
Explanation :

Answer: B) 29 Explanation: Here the given number series follows a pattern of two alternate series. 1. 7 19 31 ...(Difference of 12) 2. 9 18 27 ...(Difference of 9) Here the odd number is 29 instead of 27 And the next number is 31 + 12 = 43 & 27 + 9 = 36

Q: Onion Eating Festival is celebrated in which country ? 5162 0

  • 1
    Sweden
    Correct
    Wrong
  • 2
    Thailand
    Correct
    Wrong
  • 3
    New Delhi
    Correct
    Wrong
  • 4
    Spain
    Correct
    Wrong
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Answer : 4. "Spain"
Explanation :

Answer: D) Spain Explanation: Sweden - Potato Festival Thailand - Vegetarian Festival New Delhi - International Mango Festival Spain - Onion Eating Festival

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