IIT JEE Practice Question and Answer

Q: How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number? 8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1 2096 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: We have to find out even number - even number - odd number sequence.  8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1  There are four such such even numbers: 6,8,2 and 8.

Q: How many numbers up to 101 and 300 are divisible by 11  ? 2095 0

  • 1
    18
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    19
    Correct
    Wrong
  • 4
    17
    Correct
    Wrong
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Answer : 1. "18"
Explanation :

Answer: A) 18 Explanation: (300 – 101)/11 = 199/11 = 18 1/1118 Numbers.

Q: What is the distance around a shape called? 2094 0

  • 1
    Volume
    Correct
    Wrong
  • 2
    Area
    Correct
    Wrong
  • 3
    Mass
    Correct
    Wrong
  • 4
    Perimeter
    Correct
    Wrong
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Answer : 4. "Perimeter"
Explanation :

Answer: D) Perimeter Explanation: The distance around a shape or figure I called Perimeter. A perimeter is a path that surrounds a two-dimensional shape.

Q: Find out which pair of words can be filled up in the blanks in the sentence to make the sentence meaningfully complete. The policy on foreign direct investment in multi- brand retail may be _______ in a political impasse, but big retail chains are using India as sourcing base and making an _________ on local businesses. 2094 0

  • 1
    Caught, impact
    Correct
    Wrong
  • 2
    Caught, effect
    Correct
    Wrong
  • 3
    Fetched, affect
    Correct
    Wrong
  • 4
    Fetching, impact
    Correct
    Wrong
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Answer : 1. "Caught, impact"
Explanation :

Answer: A) Caught, impact Explanation: Caught - according to the sentence given caught means to become involved in something, often without wanting to. Impasse - means a situation in which further development is impossible.

Q: What is the first step in Photosynthesis? 2094 1

  • 1
    Formation of ATP
    Correct
    Wrong
  • 2
    Joining of 3-carbon atom to form glucose
    Correct
    Wrong
  • 3
    Ionization of water
    Correct
    Wrong
  • 4
    Excitement of an electron of chlorophyll photon of light
    Correct
    Wrong
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Answer : 4. "Excitement of an electron of chlorophyll photon of light"
Explanation :

Answer: D) Excitement of an electron of chlorophyll photon of light Explanation: The first step in Photosynthesis is Excitement of an electron of chlorophyll photon of light.

Q: Pluto dwells on the inner edge of the 2094 0

  • 1
    Main asteroid belt
    Correct
    Wrong
  • 2
    Oort cloud
    Correct
    Wrong
  • 3
    Kuiper belt
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Kuiper belt"
Explanation :

Answer: C) Kuiper belt Explanation: Pluto dwells on the inner edge of the The Kuiper belt which is a belt of asteroids that lies on the outer edge of the solar system. Pluto is a dwarf planet that is supposed to be no longer a planet and is still considered a planet because of its history in the solar system.   It takes 248 years to make one orbit around the sun. As to where it is, depends on time.

Q: The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is  ? 2093 0

  • 1
    2(6!)
    Correct
    Wrong
  • 2
    6! x 7
    Correct
    Wrong
  • 3
    6! x ⁷P₆
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "6! x ⁷P₆"
Explanation :

Answer: C) 6! x ⁷P₆ Explanation: We can initially arrange the six boys in 6! ways.Having done this, now three are seven places and six girls to be arranged. This can be done in ⁷P₆ ways. Hence required number of ways = 6! x ⁷P₆

Q: Which city has topped the list of most expensive cities for expatriates, according to Mercer’s 2017 Cost of Living Survey  ? 2093 0

  • 1
    Zurich
    Correct
    Wrong
  • 2
    Launda
    Correct
    Wrong
  • 3
    Germany
    Correct
    Wrong
  • 4
    Toyko
    Correct
    Wrong
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Answer : 2. "Launda"
Explanation :

Answer: B) Launda Explanation: Luanda, the capital of Angola, has topped the list of most expensive cities for expatriates, according to Mercer’s 23rd annual Cost of Living Survey. Hong Kong has acquired 2nd position, followed by Tokyo, Zurich, Singapore, Seoul and Geneva. From India, Mumbai is the most expensive city for expatriates that has ranked 57th on the list, followed by New Delhi (99), Chennai (135), Bangalore (166) and Kolkata (184). The Mercer’s survey includes 209 cities across five continents. The world’s least expensive cities for expatriates, according to Mercer’s survey, are Tunis (209), Bishkek (208) and Skopje (206). Mercer’s authoritative survey is one of the world’s most comprehensive, and is designed to help multinational companies and governments determine compensation allowances for their expatriate employees.

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