IIT JEE Practice Question and Answer

Q: The process of encoding refers to 2383 0

  • 1
    getting information into memory.
    Correct
    Wrong
  • 2
    the recall of information previously learned.
    Correct
    Wrong
  • 3
    a clear memory of an emotionally significant event.
    Correct
    Wrong
  • 4
    the persistence of learning over time.
    Correct
    Wrong
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Answer : 1. "getting information into memory."
Explanation :

Answer: A) getting information into memory. Explanation: Encoding refers to the getting information into memory.

Q: What is the common ratio of the following geometric sequence? 4, 2, 1, 0.5, 0.25, 0.125,... 2382 0

  • 1
    0.5
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1.5
    Correct
    Wrong
  • 4
    -0.5
    Correct
    Wrong
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Answer : 1. "0.5"
Explanation :

Answer: A) 0.5 Explanation: In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.   Herein the given sequence, 4, 2, 1, 0.5, 0.25, 0.125,... Common Ratio r = 2/4 = 1/2 = 0.5/1 = 0.25/0.5 = 0.125/0.25 == 0.5.

Q: Breeding and management of bees is called 2380 0

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    Pisciculture
    Correct
    Wrong
  • 2
    Sericulture
    Correct
    Wrong
  • 3
    Silviculture
    Correct
    Wrong
  • 4
    Apiculture
    Correct
    Wrong
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Answer : 4. "Apiculture"
Explanation :

Answer: D) Apiculture Explanation: Breeding and management of bees is called Apiculture.   A beekeeper or apiarist keeps bees in order to collect their honey and other products that the hive produces (including beeswax, propolis, flower pollen, bee pollen, and royal jelly), to pollinate crops, or to produce bees for sale to other beekeepers. A location where bees are kept is called an 'apiary' or 'bee yard.'

Q: The capacity of a tank is 2400 m3.  A pump can be used both for filling and emptying the tank.  The emptying capacity of the pump is 10 m3/minute higher than its filling capacity. And also, the pump needs 8 minutes less to empty the tank than to fill it. Find the filling capacity of the pump. 2380 0

  • 1
    46 cub.m/min
    Correct
    Wrong
  • 2
    44 cub.m/min
    Correct
    Wrong
  • 3
    48 cub.m/min
    Correct
    Wrong
  • 4
    50 cub.m/min
    Correct
    Wrong
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Answer : 4. "50 cub.m/min"
Explanation :

Answer: D) 50 cub.m/min Explanation: Let filling capacity of the pump be 'F' m3/min Then, the filling capacity of the pump will be (F + 10) m3/min From the given data, 2400F - 2400F+10= 8⇒ 2400 F+10-FF(F+10) =8⇒ F2 + 10F - 3000 = 0⇒ F = 50 m3/min

Q: A distinguishing feature of managerial accounting is 2379 0

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    general-purpose reports
    Correct
    Wrong
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    very detailed reports
    Correct
    Wrong
  • 3
    quarterly and annual reports
    Correct
    Wrong
  • 4
    external users
    Correct
    Wrong
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Answer : 2. "very detailed reports"
Explanation :

Answer: B) very detailed reports Explanation: Managerial accounting is the process of identifying, measuring, analyzing, interpreting and communicating information for the pursuit of an organization's goals. This branch of accounting is also known as cost accounting.   Hence, the distinguishing feature of managerial accounting is very detailed reports.

Q: Sonika invested an amount of Rs.5800 for 2 years. At what rate of compound interest will she get an amount of Rs.594.50 at the end of 2 years ? 2378 0

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    6.5%
    Correct
    Wrong
  • 2
    6%
    Correct
    Wrong
  • 3
    5%
    Correct
    Wrong
  • 4
    4.5%
    Correct
    Wrong
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Answer : 3. "5%"
Explanation :

Answer: C) 5% Explanation: C.I = P1+r100t-1   594.5 = 58001+r1002-1  594.55800+1=1+r1002   r100=1.05-1=0.05=> r = 5 % .

Q: The third proportional to 9 and 12 is ? 2377 0

  • 1
    14
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "16"
Explanation :

Answer: B) 16 Explanation: Let the third proportion to 9 & 12 be 'x'. => 9:12 = 12 :p => p = 12x12/9 = 16.

Q: Choose the Antonym of the following word 'Autonomy' 2377 0

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    Antipathy
    Correct
    Wrong
  • 2
    Dependence
    Correct
    Wrong
  • 3
    Antruism
    Correct
    Wrong
  • 4
    Animation
    Correct
    Wrong
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Answer : 2. "Dependence"
Explanation :

Answer: B) Dependence Explanation: 'Autonomy' means personal independence. Hence, the word 'dependence' is farthest in meaning to the given word 'Autonomy'.

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