IIT JEE Practice Question and Answer

Q: Which one of the following scripts of ancient India was written from right to left ? 1910 0

  • 1
    Brahmi
    Correct
    Wrong
  • 2
    Kharoshti
    Correct
    Wrong
  • 3
    Nandnagari
    Correct
    Wrong
  • 4
    Sharada
    Correct
    Wrong
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Answer : 2. "Kharoshti"
Explanation :

Answer: B) Kharoshti Explanation: The Kharoshi script is an ancient script used by the ancient Gandhara culture of South Asia primarily in modern-day Afghanistan and Pakistan to write the Gandhari language (a dialect of Prakrit) and the Sanskrit language.

Q: The letters of the word PROMISE are to be arranged so that three vowels should not come together. Find the number of ways of arrangements? 1910 0

  • 1
    4320
    Correct
    Wrong
  • 2
    4694
    Correct
    Wrong
  • 3
    4957
    Correct
    Wrong
  • 4
    4871
    Correct
    Wrong
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Answer : 1. "4320"
Explanation :

Answer: A) 4320 Explanation: Given Word is PROMISE. Number of letters in the word PROMISE = 7 Number of ways 7 letters can be arranged = 7! ways Number of Vowels in word PROMISE = 3 (O, I, E) Number of ways the vowels can be arranged that 3 Vowels come together = 5! x 3! ways   Now, the number of ways of arrangements so that three vowels should not come together = 7! - (5! x 3!) ways = 5040 - 720 = 4320.

Q: Who wanted economic freedom with political freedom? 1909 0

  • 1
    Swami Sahajanand Saraswati
    Correct
    Wrong
  • 2
    Swami Vivekanand
    Correct
    Wrong
  • 3
    Swami Ramanand
    Correct
    Wrong
  • 4
    Swami Dayanand saraswati
    Correct
    Wrong
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Answer : 1. "Swami Sahajanand Saraswati"
Explanation :

Answer: A) Swami Sahajanand Saraswati Explanation:

Q: Find the odd man out in the following number series? 71, 88, 113, 150, 203, 277 1909 0

  • 1
    277
    Correct
    Wrong
  • 2
    203
    Correct
    Wrong
  • 3
    150
    Correct
    Wrong
  • 4
    113
    Correct
    Wrong
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Answer : 1. "277"
Explanation :

Answer: A) 277 Explanation: The given number series is    71      88       113       150       203          277    +17    +25       +37      +53        +74         +8      +12        +16       +21             +4          +4         +5   The series should be  71  88  112   150    203   276 i.e, the differences of the difference should be +4.   Hence, the odd man in the given series is 277.

Q: Texas trial lawyers frequently ally with 1908 0

  • 1
    Consumer interest groups.
    Correct
    Wrong
  • 2
    Public employee unions.
    Correct
    Wrong
  • 3
    The gas and oil industry.
    Correct
    Wrong
  • 4
    Pharmaceutical companies.
    Correct
    Wrong
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Answer : 1. "Consumer interest groups."
Explanation :

Answer: A) Consumer interest groups. Explanation:

Q: The Jigme Dorji National Park is located in which country  ? 1906 0

  • 1
    Myanmar
    Correct
    Wrong
  • 2
    Bhutan
    Correct
    Wrong
  • 3
    India
    Correct
    Wrong
  • 4
    Nepal
    Correct
    Wrong
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Answer : 2. "Bhutan"
Explanation :

Answer: B) Bhutan Explanation: The Jigme Dorji National Park is the second-largest National Park of Bhutan. The park provides sanctuary for 37 known species of mammals including several endangered, threatened or vulnerable species, such as the takin, snow leopard, clouded leopard, Bengal tiger, bharal or Himalayan blue sheep, etc. It is also home to the Indian leopard, serow, sambar, barking deer, goral, marmot, pika and more than 300 species of birds. It is also the only park in Bhutan where the national animal (takin), flower (blue poppy), bird (raven) and tree (cypress) exist together.

Q: Mr. X sold two properties P1 and P2 for Rs 1,00,000 each. He sold property P1 for 20% less than what he paid for it. What is the percentage of profit of property P2, so that he is not in gain or loss on the sale of two properties? 1905 0

  • 1
    33.33%
    Correct
    Wrong
  • 2
    29.97%
    Correct
    Wrong
  • 3
    25%
    Correct
    Wrong
  • 4
    22.22%
    Correct
    Wrong
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Answer : 1. "33.33%"
Explanation :

Answer: A) 33.33% Explanation: Let 'A' be the cost price of property P1. Then from the given data, the selling price of P1 = Rs. 1,00,000 He got 20% loss on selling P1 ⇒A - 20A100 = 100000⇒A = 1,25,000 Therefore, the amount he lossed on selling P1 = 25,000 As ge he got no loss or gain on sale of P1 and P2, the gain on selling P2 = 25,000 But the selling price of P2 = 1,00,000 => Cost price of P2 = 75,000   Hence, the profit percentage on P2 = GainCPx 100 = 2500075000x100 = 1003= 33.33%

Q: What are long chains of Carbon Molecules called 1904 0

  • 1
    Ribosomes
    Correct
    Wrong
  • 2
    Hydrocarbons
    Correct
    Wrong
  • 3
    Polymers
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Polymers"
Explanation :

Answer: C) Polymers Explanation: A small organic molecule (sugars or amino acids), several of which may be bonded together to form a chain called a polymer.

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