IIT JEE Practice Question and Answer

Q: Find the Odd one out of the given series 6, 15, 35, 77, 165, 221 11203 0

  • 1
    221
    Correct
    Wrong
  • 2
    165
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    77
    Correct
    Wrong
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Answer : 2. "165"
Explanation :

Answer: B) 165 Explanation: The terms of the series are products of two consecutive prime numbers i.e. (2 x 3), (3 x 5), (5 x 7), (7 x 11),..... So, 165 is wrong and must be replaced by (11 x 13) i.e. 143.

Q: One word substitute for 'a post without remuneration?' 11071 0

  • 1
    Voluntary
    Correct
    Wrong
  • 2
    Honorary
    Correct
    Wrong
  • 3
    Involuntary
    Correct
    Wrong
  • 4
    Sinecure
    Correct
    Wrong
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Answer : 2. "Honorary"
Explanation :

Answer: B) Honorary Explanation: The One-word substitute for 'a post without remuneration' is Honorary.

Q: Develop is to assess as train is to 10776 0

  • 1
    Change
    Correct
    Wrong
  • 2
    Educate
    Correct
    Wrong
  • 3
    Analyze
    Correct
    Wrong
  • 4
    Recruit
    Correct
    Wrong
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Answer : 3. "Analyze"
Explanation :

Answer: C) Analyze Explanation: When you develop a product, you assess its performance for proper functioning. Similarly, when you train a person to do a job, you analyze his/her performance to understand how good he/she is at it.   Hence, Develop : Assess :: Train : Analyze.

Q: 4 men can repair a road in 7 hours. How many men are required to repair the road in 2 hours ? 10660 0

  • 1
    17 men
    Correct
    Wrong
  • 2
    14 men
    Correct
    Wrong
  • 3
    13 men
    Correct
    Wrong
  • 4
    16 men
    Correct
    Wrong
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Answer : 2. "14 men"
Explanation :

Answer: B) 14 men Explanation: M x T / W = Constantwhere, M= Men (no. of men)T= Time takenW= Work loadSo, here we applyM1 x T1/ W1 = M2 x T2 / W2Given that, M1 = 4 men, T1 = 7 hours ; T2 = 2 hours, we have to find M2 =?Note that here, W1 = W2 = 1 road, ie. equal work load.Clearly, substituting in the above equation we get, M2 = 14 men.

Q: Tennis is to Sport as Chemistry is to 10274 0

  • 1
    Biology
    Correct
    Wrong
  • 2
    Physics
    Correct
    Wrong
  • 3
    Science
    Correct
    Wrong
  • 4
    Subject
    Correct
    Wrong
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Answer : 3. "Science"
Explanation :

Answer: C) Science Explanation: As Tennis is a kind of Sport, similarly, Chemistry is a kind of science.   Hence, Tennis : Sport :: Chemistry : Science.

Q: What is the right most integer of the expression 65776759 + 54697467  ? 10238 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 3. "9"
Explanation :

Answer: C) 9 Explanation: Last digit for the power of 6 is 6 (always) Power cycle of 7 is 7, 9, 3, 1. Now 467/4 gives a remainder of 3 Then the last digit is 73 = 3 Last digit is 6 + 3 = 9.

Q: Which sentence describes a legislative referendum? 10193 0

  • 1
    Voters approve a measure that is nonbinding and can be ignored.
    Correct
    Wrong
  • 2
    Voters approve or reject a proposal without the legislature.
    Correct
    Wrong
  • 3
    Voters sign a petition to gather support for an issue.
    Correct
    Wrong
  • 4
    A legislature passes a bill that must be approved by voters.
    Correct
    Wrong
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Answer : 4. "A legislature passes a bill that must be approved by voters."
Explanation :

Answer: D) A legislature passes a bill that must be approved by voters. Explanation:

Q: Which of the following is likely during vigorous exercise? 10138 0

  • 1
    Blood flow to the kidneys increases.
    Correct
    Wrong
  • 2
    capillaries of the active muscles will be engorged with blood.
    Correct
    Wrong
  • 3
    The skin will be cold and clammy.
    Correct
    Wrong
  • 4
    Blood will be diverted to the digestive organs.
    Correct
    Wrong
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Answer : 2. "capillaries of the active muscles will be engorged with blood."
Explanation :

Answer: B) capillaries of the active muscles will be engorged with blood. Explanation: During vigorous exercise capillaries of the active muscles will be engorged with blood.

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