IIT JEE Practice Question and Answer

Q: Find the missing number? 5 19 49 101 181 295 ? 4801 0

  • 1
    401
    Correct
    Wrong
  • 2
    351
    Correct
    Wrong
  • 3
    449
    Correct
    Wrong
  • 4
    501
    Correct
    Wrong
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Answer : 3. "449"
Explanation :

Answer: C) 449 Explanation: Given number series is 5  19  49  101  181  295 ? Here the series follows pattern that 5   19   49   101   181   295  ?   14   30   52    80     114   (difference)       16  22   28     34 (difference)          6     6     6  (Common difference)   Therefore, the missing number in the series is ? = 295 + 115 + 34 + 6 = 449.

Q: Two boys and a girl can do a work in 5 days, while a boy and 2 girls can do it in 6 days. If the boy is paid at the rate of 28$ a week, what should be the wages of the girl a week ? 4794 0

  • 1
    24 $
    Correct
    Wrong
  • 2
    22 $
    Correct
    Wrong
  • 3
    16 $
    Correct
    Wrong
  • 4
    14 $
    Correct
    Wrong
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Answer : 3. "16 $"
Explanation :

Answer: C) 16 $ Explanation: Let the 1 day work of a boy=b and a girl=g, then2b + g = 1/5 ---(i) andb + 2g = 1/6 ---(ii)On solving (i) & (ii), b=7/90, g=2/45As payment of work will be in proportion to capacity of work and a boy is paid $ 28/week, so a girl will be paid 28×245790 = 16 $.

Q: Onion Eating Festival is celebrated in which country ? 4782 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

Q: A constitutional monarchy provides what power to a monarch? 4770 0

  • 1
    Absolute power over parliament
    Correct
    Wrong
  • 2
    Only power given in the constitution
    Correct
    Wrong
  • 3
    Power for kings, not queens
    Correct
    Wrong
  • 4
    A divine right of kings
    Correct
    Wrong
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Answer : 2. "Only power given in the constitution"
Explanation :

Answer: B) Only power given in the constitution Explanation: A constitutional monarchy is a form of monarchical government established under a constitutional system which acknowledges an elected or hereditary monarch as head of state.   The monarchs in a constitutional monarchy had only the power that was allocated to them in the constitution of their land or republic.

Q: Which motherboard form factor uses one 20 pin connector? 4740 1

  • 1
    Baby AT
    Correct
    Wrong
  • 2
    AT
    Correct
    Wrong
  • 3
    ATX
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "ATX"
Explanation :

Answer: C) ATX Explanation: ATX (Advanced Technology extended) is a motherboard form factor uses one 20 pin connector.   ATX is developed by Intel in 1995 to improve on previous de facto standards like the AT form factor. It was the first major change in desktop computer enclosure, motherboard, and power supply design in many years, improving standardization and interchangeability of parts.

Q: Which statement about the Supreme Court is true? 4735 0

  • 1
    The court hears all cases for which two or more justices agree that the case has merit.
    Correct
    Wrong
  • 2
    The court decides which cases it will hear. In deciding cases, the chief justice’s vote counts as two votes.
    Correct
    Wrong
  • 3
    Every case appealed to the Supreme Court is ruled upon by the court.
    Correct
    Wrong
  • 4
    The court can hear only cases that have worked their way up from local courts.
    Correct
    Wrong
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Answer : 2. "The court decides which cases it will hear. In deciding cases, the chief justice’s vote counts as two votes."
Explanation :

Answer: B) The court decides which cases it will hear. In deciding cases, the chief justice’s vote counts as two votes. Explanation:

Q: The first step in solving an Ethical Dilemma is to 4728 0

  • 1
    identify the alternatives
    Correct
    Wrong
  • 2
    identify an etical situation and ethical issues involved
    Correct
    Wrong
  • 3
    weigh the impact of each alternative on various stakeholders.
    Correct
    Wrong
  • 4
    recognize and analyze the principal elements in the situation.
    Correct
    Wrong
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Answer : 2. "identify an etical situation and ethical issues involved"
Explanation :

Answer: B) identify an etical situation and ethical issues involved Explanation:

Q: Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R ? 4693 0

  • 1
    Rs. 1100
    Correct
    Wrong
  • 2
    Rs. 500
    Correct
    Wrong
  • 3
    Rs. 1200
    Correct
    Wrong
  • 4
    Rs. 700
    Correct
    Wrong
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Answer : 2. "Rs. 500"
Explanation :

Answer: B) Rs. 500 Explanation: Let the amounts to be received by P, Q and R be p, q and r.p + q + r = 1200p = 1/2 (q + r) => 2p = q + r Adding 'p' both sides, 3p = p + q + r = 1200=> p = Rs.400 q = 1/3 (p + r) => 3q = p + r Adding 'q' both sides, 4q = p + q + r = 1200=> q = Rs.300 r = 1200 - (p + q) => r = Rs.500.

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