IIT JEE Practice Question and Answer

Q: In a queue, Amrita is 10th from the front while Mukul is 25th from behind and Mamta is just in the middle of the two. If there be 50 persons in the queue. What position does Mamta occupy from the front ? 3792 0

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

Answer: C) 18th Explanation: Number of persons between Amrita and Mukul = 50 - (10 + 25) = 15. Since Mamta lies in middle of these 15 persons, so Mamta`s position is 8th from Amrita i.e. 18th from the front.

Q: What is the next number in the given Number Series? 5, 24, 94, 279, ? 3771 0

  • 1
    587
    Correct
    Wrong
  • 2
    554
    Correct
    Wrong
  • 3
    489
    Correct
    Wrong
  • 4
    499
    Correct
    Wrong
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Answer : 2. "554"
Explanation :

Answer: B) 554 Explanation: The given number series follows a pattern that 5 x 5 тАУ 1 = 24 24 x 4 тАУ 2 = 94 94 x 3 тАУ 3 = 279 279 x 2 тАУ 4 = 554

Q: What has teeth but cannot bite? 3769 0

  • 1
    Comb
    Correct
    Wrong
  • 2
    Saw
    Correct
    Wrong
  • 3
    Zipper
    Correct
    Wrong
  • 4
    Gear
    Correct
    Wrong
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Answer : 1. "Comb"
Explanation :

Answer: A) Comb Explanation: Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

Q: The value of money varies 3769 0

  • 1
    inversely with the price level
    Correct
    Wrong
  • 2
    directly with the price level
    Correct
    Wrong
  • 3
    directly with the volume of employment
    Correct
    Wrong
  • 4
    directly with the interest rate
    Correct
    Wrong
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Answer : 1. "inversely with the price level"
Explanation :

Answer: A) inversely with the price level Explanation:

Q: The main function of a school board is to 3766 0

  • 1
    manage public schools in accordance with state and federal law.
    Correct
    Wrong
  • 2
    raise revenue for public schools through local taxes and fees.
    Correct
    Wrong
  • 3
    propose and legislate state laws that affect the public schools.
    Correct
    Wrong
  • 4
    serve as a schoolтАЩs principals, teachers, and administrators.
    Correct
    Wrong
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Answer : 1. "manage public schools in accordance with state and federal law."
Explanation :

Answer: A) manage public schools in accordance with state and federal law. Explanation: The main function of a school board is to┬аmanage public schools in accordance with state and federal law. The functions of the school board of a public school are: тАв to establish strategic direction and priorities for the school. тАв to monitor and review school performance and to report on it to the Director-General, parents of students at the school and staff. тАв to develop, maintain and review curriculum for the school. тАв to develop and review education policies at the school. тАв to establish budgetary policies for the school and approve the school budget. тАв to establish policies for the efficient and effective use of school assets and the management of financial risk. тАв to develop relationships between the school and the community and between the school and community organisations. тАв to make recommendations to the Director-General on issue affecting the school and to give effect to the Director-GeneralтАЩs directions. тАв to encourage parent participation in their childrenтАЩs learning; and тАв to exercise any other function given to the board under this Act or any otherTerritory law.

Q: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3763 0

  • 1
    45 metric tonnes
    Correct
    Wrong
  • 2
    47 metric tonnes
    Correct
    Wrong
  • 3
    55 metric tonnes
    Correct
    Wrong
  • 4
    34 metric tonnes
    Correct
    Wrong
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Answer : 1. "45 metric tonnes"
Explanation :

Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton┬а i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.

Q: In a row, Kumar is at 7th place from the left and Pawan is at 9th place from the right. When they interchange the positions Kumar becomes 11th from left. How many were seated in the row ? 3763 0

  • 1
    19
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 1. "19"
Explanation :

Answer: A) 19 Explanation: Initialy from left 7th = kumarfrom right 9th = pawanInterchange kumar = 11th from left, from right kumar = 9th;11+8 = 19;8 is 1,2,3,4,5,6,7(pawan),8,9,10,11(kumar),12,13,14,15,16,17,18,19;simply count the 9th place from right we will get total as 19.

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Answer : 3. "J"
Explanation :

Answer: C) J Explanation: Given word is TIRADESNow the consonants T, R, D, S are replaced by S, Q, C, RAnd Vowels are I, A, E are replaced by J, B and FThey are arranged alphabeticallyNew word is BCFJQRS The fourth letter from the right end is J.

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