IIT JEE Practice Question and Answer

Q: A government subsidy to the producers of a product 1949 0

  • 1
    reduces product demand
    Correct
    Wrong
  • 2
    increases product supply
    Correct
    Wrong
  • 3
    reduces product supply
    Correct
    Wrong
  • 4
    increases product demand
    Correct
    Wrong
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Answer : 2. "increases product supply"
Explanation :

Answer: B) increases product supply Explanation:

Q: Which of the following describes loyalists? 1948 0

  • 1
    They thought Patriots were too radical
    Correct
    Wrong
  • 2
    They decided to fight against the British
    Correct
    Wrong
  • 3
    They wanted to return to Britain
    Correct
    Wrong
  • 4
    They supported British taxation
    Correct
    Wrong
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Answer : 1. "They thought Patriots were too radical"
Explanation :

Answer: A) They thought Patriots were too radical Explanation: They thought Patriots were too radical is the statement which describes loyalists correctly.

Q: Opening in a wall to let in air or light 1947 0

  • 1
    Ceiling
    Correct
    Wrong
  • 2
    Door
    Correct
    Wrong
  • 3
    Window
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "Window"
Explanation :

Answer: C) Window Explanation: The Opening in a wall to let in air or light is nothing but a Window.

Q: Negative divided by Negative 1946 0

  • 1
    -ve
    Correct
    Wrong
  • 2
    +ve
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 2. "+ve"
Explanation :

Answer: B) +ve Explanation: We know the Mathematical rules that   ++ = ++- = --+ = --- = +

Q: Primary care physicians are responsible for diagnosis and treatment. 1946 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: Primary care physicians or General practitioners (GP) are the one you go first to get a check up, and if they deem that your problem more severe than they can help you, they will send you to a secondary care physicians like specialists in Cardiologists, Neurologists, Dentists, ...   Hence, the given statement, Primary care physicians are responsible for diagnosis and treatment is TRUE.

Q: Pointing to a photograph, a man said, "I have no brother or sister but that man’s father is my father’s son." Whose photograph was it? 1946 0

  • 1
    His uncle's
    Correct
    Wrong
  • 2
    His nephew's
    Correct
    Wrong
  • 3
    His son's
    Correct
    Wrong
  • 4
    His Cousin's
    Correct
    Wrong
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Answer : 3. "His son's"
Explanation :

Answer: C) His son's Explanation: Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.

Q: Which of the following is a characteristic of all minerals? 1946 0

  • 1
    Crystalline solids
    Correct
    Wrong
  • 2
    Minerals are inorganic
    Correct
    Wrong
  • 3
    All minerals are formed in a natural process
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Common properties of Minerals are :   1. All minerals are formed in a natural process. 2. Minerals are inorganic 3. Minerals are crystalline solids. 4. Every mineral is an element or compound with a definite chemical composition.

Q: A seller uses 840 gm in place of 1 kg to sell his goods. Find his actual profit/loss % When he sells his article on 4% loss on cost price ? 1946 1

  • 1
    14.28 % profit
    Correct
    Wrong
  • 2
    24.18 % profit
    Correct
    Wrong
  • 3
    14.28 % loss
    Correct
    Wrong
  • 4
    24.18 % loss
    Correct
    Wrong
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Answer : 1. "14.28 % profit"
Explanation :

Answer: A) 14.28 % profit Explanation: Let 1kg of Rs. 100 then 840gm is of Rs. 84.Now (label on can 1kg but contains 840kg ) so for customer it is of Rs. 100 and further gives 4% discount [he sells his article on 4% loss on cost price.] So now S.P = Rs. 96But actually it contains 840 gm so C.P for shopkeeper = Rs. 84S.P = Rs. 96C.P = Rs. 84Profit% = {(S.P-C.P)/C.P}x100{(96-84)/84} x 100 = 14.28571429% PROFIT.

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