IIT JEE Practice Question and Answer

Q: Find the wrong number in the given number series? 10, 21, 54, 109, 189 9879 0

  • 1
    189
    Correct
    Wrong
  • 2
    109
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 1. "189"
Explanation :

Answer: A) 189 Explanation: The given number series is 10, 21, 54, 109, 189 The series follows a pattern that 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186   Hence the wrong number in the given number series is 189.

Q: Financial management process deals with 9814 0

  • 1
    Financing decisions
    Correct
    Wrong
  • 2
    Investments
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Financing decisions"
Explanation :

Answer: A) Financing decisions Explanation: Financial management refers to the efficient and effective management of money (funds) in such a manner as to accomplish the objectives of the organization. It is the specialized function directly associated with the top management.   Hence, it deals with Financial decisions.

Q: In a pot, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk, the pot would be full and ratio of milk and water would become 6 : 5. Find the capacity of the pot ? 9608 0

  • 1
    11 lit
    Correct
    Wrong
  • 2
    22 lit
    Correct
    Wrong
  • 3
    33 lit
    Correct
    Wrong
  • 4
    44 lit
    Correct
    Wrong
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Answer : 2. "22 lit"
Explanation :

Answer: B) 22 lit Explanation: Let the capacity of the pot be 'P' litres.Quantity of milk in the mixture before adding milk = 4/9 (P - 8)After adding milk, quantity of milk in the mixture = 6/11 P.6P/11 - 8 = 4/9(P - 8)10P = 792 - 352 => P = 44. The capacity of the pot is 44 liters.

Q: 9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days ? 9591 0

  • 1
    15 days
    Correct
    Wrong
  • 2
    11 days
    Correct
    Wrong
  • 3
    14 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 4. "12 days"
Explanation :

Answer: D) 12 days Explanation: 9M + 12B ----- 12 days ...........(1)12M + 12B ------- 10 days........(2)10M + 10B -------?108M + 144B = 120M +120B24B = 12M => 1M = 2B............(3) From (1) & (3) 18B + 12B = 30B ---- 12 days 20B + 10B = 30B -----? => 12 days.

Q: The agricultural revolution led to the need for organized 9580 0

  • 1
    greenhouse gas reform
    Correct
    Wrong
  • 2
    government
    Correct
    Wrong
  • 3
    pest control
    Correct
    Wrong
  • 4
    technological reform
    Correct
    Wrong
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Answer : 2. "government"
Explanation :

Answer: B) government Explanation: The Agricultural Revolution led to the need for more organized civilizations and societies i,e government.

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Answer : 4. "5"
Explanation :

Answer: D) 5 Explanation: If Vijay gives 'x' marbles to Ajay then Vijay and Ajay would have V - x and A + x marbles.V - x = A + x --- (1)If Ajay gives 2x marbles to Vijay then Ajay and Vijay would have A - 2x and V + 2x marbles.V + 2x - (A - 2x) = 30 => V - A + 4x = 30 --- (2)From (1) we have V - A = 2xSubstituting V - A = 2x in (2)6x = 30 => x = 5.

Q: How is Radha's mother's mother's daughter-in-law's daughter related to Radha? 9534 0

  • 1
    Sister-in-law
    Correct
    Wrong
  • 2
    Sister
    Correct
    Wrong
  • 3
    Neice
    Correct
    Wrong
  • 4
    Aunt
    Correct
    Wrong
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Answer : 1. "Sister-in-law"
Explanation :

Answer: A) Sister-in-law Explanation: Radha ----> Radha's mother ------> Mother's mother => Radha's Grand-mother.   Radha's Grand-mother's daughter-in-law ------> Radha's Aunt -----> Radha's Aunt's daughter => Radha's sister-in-law.

Q: Modern : Antiquated :: Weak : ? 9311 0

  • 1
    Strong
    Correct
    Wrong
  • 2
    Fragile
    Correct
    Wrong
  • 3
    Inadequate
    Correct
    Wrong
  • 4
    Puny
    Correct
    Wrong
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Answer : 1. "Strong"
Explanation :

Answer: A) Strong Explanation: Modern is used to refer to something new whereas antiquated is used with respect to something old. In other words, both terms are the opposite of each other. From the above analysis, the missing word should be a word that represents the opposite of weak. Strong is used to with great influence. Therefore, the apt word is strong or any synonym of strong like potent, powerful, keen,...   Hence, Modern : Antiquated :: Weak : Strong.

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