IIT JEE Practice Question and Answer

Q: Two letters are randomly chosen from the word TIME. Find the probability that the letters are T and M? 1583 0

  • 1
    1/4
    Correct
    Wrong
  • 2
    1/6
    Correct
    Wrong
  • 3
    1/8
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "1/6"
Explanation :

Answer: B) 1/6 Explanation: Required probability is given by P(E) = n(E)n(S) = 14C2 = 16

Q: The Sivasamudram Falls is on which river ? 1582 0

  • 1
    Ganga
    Correct
    Wrong
  • 2
    Saryu
    Correct
    Wrong
  • 3
    Cauvery
    Correct
    Wrong
  • 4
    Krishna
    Correct
    Wrong
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Answer : 3. "Cauvery"
Explanation :

Answer: C) Cauvery Explanation:

Q: What does 'M' stand for in Roman numerals? 1580 0

  • 1
    1
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    500
    Correct
    Wrong
  • 4
    1000
    Correct
    Wrong
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Answer : 4. "1000"
Explanation :

Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.

Q: Which of the following is a Non Renewable Resource of Energy? 1580 0

  • 1
    Wind Power
    Correct
    Wrong
  • 2
    Hydrogen Fuel
    Correct
    Wrong
  • 3
    Natural Gas
    Correct
    Wrong
  • 4
    Solar Energy
    Correct
    Wrong
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Answer : 3. "Natural Gas"
Explanation :

Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices.  It is a resource that will not be naturally replenished.

Q: Grey Revolution is associated with 1580 0

  • 1
    Cotton
    Correct
    Wrong
  • 2
    Fruits
    Correct
    Wrong
  • 3
    Fertilizers
    Correct
    Wrong
  • 4
    Oil seeds
    Correct
    Wrong
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Answer : 3. "Fertilizers"
Explanation :

Answer: C) Fertilizers Explanation: Grey Revolution is associated with Fertilizers.   Cotton - Silver fiber Revolution   Fruits - Golden Revolution   Oil seeds - Yellow Revolution

Q: How many more words can be formed by using the letters of the given word 'CREATIVITY'? 1580 0

  • 1
    851250
    Correct
    Wrong
  • 2
    751210
    Correct
    Wrong
  • 3
    362880
    Correct
    Wrong
  • 4
    907200
    Correct
    Wrong
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Answer : 4. "907200"
Explanation :

Answer: D) 907200 Explanation: The number of letters in the given word CREATIVITY = 10   Here T & I letters are repeated   => Number of Words that can be formed from CREATIVITY = 10!/2!x2! = 3628800/4 = 907200

Q: Although glory but not at my best. Power will fall to me when the man who made me dies. What am I? 1579 0

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Answer :
Explanation :

PRINCE.

Q: What has a neck but no head and wears a cap? 1579 0

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Answer :
Explanation :

A bottle has a neck but no head and wears a cap.

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